HABY'S WEATHER FORECASTING HINTS
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1. LOWER TROPOSPHERIC RELATIVE HUMIDITY
2. UPPER LEVEL LOWS
3. ADVECTION ASSOCIATED WITH MID-LATITUDE CYCLONES
4. THE FORECASTING OF DEW
5. THE FORECASTING OF FROST
6. OUTFLOW BOUNDARY CHARACTERISTICS
7. FORECASTING ICING ON ROADS
8. CHARACTERISTICS OF LOW-LYING FOG
9. DEW / FROST THICKNESS FUNCTIONS
10. THE IMPORTANCE OF FRICTION

11. THE SEA BREEZE
12. COLD FRONT MODIFICATION
13. MID-LATITUDE CYCLONE STRENGTHENING
14. PRESSURE TROUGHS AND SHORTWAVES
15. FORECASTING SYNOPTIC SCALE PRECIPITATION
16. DEWPOINT AS A FORECASTING TOOL
17. WIND AS A FORECASTING TOOL
18. CHANGES IN ATMOSPHERIC PRESSURE
19. UNDERSTANDING LATENT HEAT
20. IMPORTANT CLIMATOLOGICAL FACTORS

21. SOIL MOISTURE AND FORECASTING
22. RADIATION FOG INGREDIENTS
23. TORNADO SAFETY
24. LOWER TROPOSPHERIC ANALYSIS
25. FORECASTING USING THE 500 MILLIBAR CHART
26. JET STREAM ANALYSIS
27. CORIOLIS FORCE INTERPRETATION
28. CONTRIBUTING FACTORS TO INSTABILITY
29. BASIC EQUINOX DEFINITION
30. TEMPERATURE PROFILE OF THE TROPOSPHERE

31. SUPERADIABATIC LAPSE RATE
32. UPWIND AND DOWNWIND DEFINED
33. AN ADIABATIC VERSUS A DIABATIC PROCESS
34. ALBEDO AND THE ENERGY BUDGET
35. THE SOIL MOISTURE'S IMPACT ON WEATHER PREDICTION
36. THE 6 FACTORS THAT INFLUENCE HUMAN OUTSIDE COMFORT
37. METEOROLOGICAL SENSOR TYPES
38. ISOPLETHS DEFINED
39. THE DIFFERENCE BETWEEN TEMPERATURE AND HEAT
40. ATMOSPHERIC WATER VAPOR

41. WARMING AND COOLING OF THE EARTH'S SURFACE
42. SUPERCELL TYPES: LP, CLASSIC, HP
43. SEVERE WEATHER VERSUS FRONTAL TYPE
44. THE MOISTURE TONGUE DEFINED
45. (IN)STABILITY TYPES DEFINED
46. SEVERE WEATHER ENVIRONMENT
47. DOWNDRAFT TYPES: FORWARD FLANK AND REAR FLANK
48. VEERING AND BACKING WIND DEFINED
49. BAROTROPIC AND BAROCLINIC DEFINED
50. THE 3 MOTIONS WITHIN A TORNADO

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51. VISIBILITY AND TORNADOES
52. RISING AIR PROCESSES AND PRODUCTS
53. THE HYDROLAPSE DEFINED
54. LIFTED INDEX INFORMATION
55. SEVERE WEATHER ENHANCERS
56. VORTICITY BASICS
57. FLASH FLOOD THREAT
58. TILTING OF TROUGHS ON A HORIZONTAL PLANE
59. DEWPOINT AND WETBULB DETAILS
60. FORECAST MODEL DATA INPUT

61. SMALL SCALE PRESSURE CHANGES
62. THE HYDROSTATIC EQUATION
63. SMALL SCALE WEATHER INFLUENCES
64. GRAVITY WAVE DEFINED
65. WHAT IS DPVA?
66. INCREASING FORECASTING KNOWLEDGE
67. ATTRIBUTES OF A BROADCAST METEOROLOGIST
68. THE PURPOSE OF A FORECAST
69. THE ART OF FORECASTING
70. FORECAST VERIFICATION

71. THE WINTER PRECIPITATION FORECAST
72. CATCHY PHRASES FOR BROADCAST METEOROLOGISTS
73. CONVERSIONS USING THE DOMINANT TEMPERATURE SCALES
74. KNOTS, PLUS OTHER WIND INFORMATION
75. THE FUNDAMENTALS OF Z TIME
76. THE DIFFERENCE BETWEEN ISOBARS AND ISOHYPSES
77. ASSESSING ATMOSPHERIC PRESSURES AND HEIGHTS
78. THE ISALLOBAR AND HEIGHT CHANGE CONTOURS
79. SURFACE VERSUS UPPER AIR STATION PLOTS
80. SNOW AND CLEAR SKIES

81. THE ART OF INTERPOLATION
82. LOCATING FRONTAL BOUNDARIES
83. USEFULNESS AND USELESSNESS OF RELATIVE HUMIDITY
84. THE IMPORTANCE OF EXPERIENCE AND BEING RESPECTED
85. WHAT CAUSES WIND?
86. MARITIME TROPICAL AIR MASS
87. MARITIME POLAR AIR MASS
88. DEDUCTIVE REASONING AND WEATHER FORECASTING
89. CONTINENTAL POLAR AIR MASS
90. CONTINENTAL TROPICAL AIR MASS

91. ARCTIC AIR MASS
92. HIGHLAND AIR MASS
93. KIDS AND WEATHER
94. OCCLUDED FRONTS
95. USING MOS DATA
96. DYNAMIC SYNOPTIC SCALE RISING MOTION
97. THE 540 LINE AND PRECIPITATION TYPE
98. THE ZERO DEGREE ISOTHERM
99. THERMODYNAMIC INSTABILITY
100. RIDDING THE JET STREAM

Click Here for a quiz on Haby Hints 51 through 100


101. VERTICAL VELOCITY ON THE 700 MB MODEL PROGS
102. THE 1000 MB FORECAST MODEL PROG
103. THE 850 MB MODEL PROG
104. THE 500 MB MODEL PROG
105. THE RELATIVE HUMIDITY PROG
106. THE LIFTED INDEX PROG
107. THE SURFACE PRESSURE/PRECIPITATION/THICKNESS PROG
108. THE 300 MILLIBAR PROG
109. USING MODEL PROGS FOR FORECASTING
110. THE GFS MODEL

111. DOWNSLOPING WIND
112. UPSLOPING WIND
113. EVALUATING TROPOSPHERIC MOISTURE
114. APPLYING TROPOSPHERIC MOISTURE TO FORECASTING
115. ANALYZING A STRONG LOW PRESSURE ON MODEL PROGS
116. ISENTROPIC LIFTING (UPGLIDE)
117. PET PEEVES AND BOTHERSOME METEOROLOGY
118. A LITTLE SUNSHINE MAKES A DIFFERENCE
119. CLOUDS ACT LIKE A BLANKET?
120. WHICH WAY IS UP?

121. WEATHER EXCITEMENT
122. THE DIFFERENT FORECAST MODELS
123. CHANGE IN PRESSURE, DENSITY AND TEMPERATURE WITH HEIGHT
124. MELTING OF HAIL AS IT FALLS
125. WHAT IS A DIRTY HIGH PRESSURE?
126. WHAT IS AN INVERTED TROUGH?
127. WHAT IS A "NEGATIVELY TILTED TROUGH"?
128. WHAT IS MEANT BY A "VERTICALLY TILTED TROUGH"?
129. WHAT IS A LEE-SIDE TROUGH (LOW)?
130. WHAT IS A THERMAL TROUGH (RIDGE)?

131. WHAT IS A SHORTWAVE TROUGH?
132. WHAT DO THE TERMS DIGGING AND DEEPENING MEAN?
133. WHAT IS A SHEAR AXIS?
134. WHY DOES SURFACE CONVERGENCE OCCUR WITH LOW PRESSURE?
135. WHAT IS A CLASSIC EVENT?
136. WHAT IS A RETURN FLOW?
137. WHAT IS OMEGA FORCING?
138. DEFINING CHART, PANEL, PROG, ANALYSIS, IMAGE, MODEL, ect.
139. RED SKY IN MORNING, SAILORS WARNING
140. WEATHER AND MILITARY STRATEGY

141. INGREDIENTS FOR THUNDERSTORMS AND SEVERE THUNDERSTORMS
142. SOME PERSPECTIVE ON GRAVITY
143. DIFFERENT TERMS FOR A CHANGE IN TEMPERATURE WITH HEIGHT
144. THE OMEGA BLOCK
145. NORTHERN HEMISPHERE MID-LATITUDE SEASONS
146. THUNDERSTORM OUTFLOW BOUNDARIES
147. CAPE AND LI USING GOES SOUNDER
148. READING THICKNESS LINES
149. HOW IS CONVERGENCE DISPLAYED ON THE GRAPHICAL MODELS?
150. WHAT IS A SQUALL LINE?

Click Here for a quiz on Haby Hints 100 through 150

151. FORCE FIELDS AND DONUT HOLES
152. WAA VS. LOCAL HEATING ON THE 850 MB FORECAST MODELS
153. THE JET STREAM AND SUPERCELLS
154. A WEATHER FOLKLORE PHRASE INTERPRETED
155. CARBON DIOXIDE VS. WATER VAPOR AS GREENHOUSE GASES
156. WHY DOES THE PGF POINT FROM HIGH TO LOW PRESSURE?
157. WHAT IS A VARIABLE WIND?
158. THE INVERSION
159. ZONAL AND MERIDIONAL FLOW
160. THE DIFFERENCE BETWEEN THE LCL AND CCL

161. WHY THE MALR IS NOT A CONSTANT?
162. POTENTIAL TEMPERATURE AND THETA-E
163. NEGATIVE BOUYANCY AND THE CAP ON SKEW-T
164. ELEVATED CONVECTION
165. THE EL AND MPL
166. PREDICTING HAIL WITH THE SKEW-T
167. PREDICTING WINTER WEATHER WITH THE SKEW-T
168. THE HYDROLAPSE
169. OPERATIONAL USES OF THE LAYER SLICE METHOD
170. SHORTCUT TO CALCULATING WET-BULB

171. THE COL
172. FORECASTING SEVERE WEATHER USING SKEW-T
173. SATURATION VS. ACTUAL MIXING RATIO
174. HURRICANE INDUCED TORNADOES
175. WIND SHEAR AND SUPERCELLS
176. EXACT LOCATION OF THUNDERSTORM DEVELOPMENT
177. THE STORM PREDICTION CENTER'S CONVECTIVE OUTLOOKS
178. THE REX BLOCK
179. USING PERCENTAGES IN FORECASTS
180. LOCATING DOWNSLOPING AND UPSLOPE WIND USING THE MODELS

181. READING FORECAST DISCUSSIONS
182. STAGES AND ATTAINMENT OF KNOWLEDGE
183. THE SOUND OF THUNDER
184. HOW DO CLOUDS DISSIPATE?
185. WHY DO MOST THUNDERSTORMS OCCUR IN LATE AFTERNOON?
186. CALCULATING RELATIVE HUMIDITY
187. WIDESPREAD VERSUS WIDELY SCATTERED
188. BOMBOGENESIS
189. CLOUD COVERAGE METHODS
190. EXPLAINING DEWPOINT AND RELATIVE HUMIDITY TO THE PUBLIC

191. THUNDERSTORM GLACIATION
192. WHY IS FOG MORE COMMON IN RURAL AREAS?
193. CALCULATING WINDSHEAR AND SHEAR VORTICITY
194. CALCULATION OF EARTH, SHEAR AND CURVATURE VORTICITY
195. INTERPRETATION OF UVV ON SYNOPTIC MODELS
196. EVAPORATIONAL COOLING
197. THE EFFECT OF VORTICITY ADVECTION ON HEIGHT CHANGE
198. THE VOLUME OF A RAINDROP
199. THE TEMPERATURE GRADIENT AND PRESSURE GRADIENT
200. THE CLOSED LOW

Click Here for a quiz on Haby Hints 150 through 200


201. SNOW AND ICE ACCUMULATION (GRASS VERSUS CONCRETE)
202. SNOW AND ICE ACCUMULATION (INFLUENCE OF PREVIOUS WEATHER)
203. SNOW AND ICE ACCUMULATION (DAY VERSUS NIGHT)
204. SNOW ACCUMULATION (INFLUENCE FROM TEMPERATURE PROFILE)
205. SNOW AND ICE ACCUMULATION (INTENSITY AND DURATION)
206. THE SLEET STORM
207. THE COOLING EFFECTS OF SURFACE SNOW COVER
208. THE RATE OF A SNOWFLAKE MELTING AS IT FALLS
209. TYPES OF ICE TO SCRAPE OFF THE CAR
210. THE RATE AT WHICH RAIN FREEZES IN A FREEZING RAIN EVENT

211. MELTING RATE OF A SNOWFLAKE (ON WATER VS. LAND)
212. THE LEVEL IN THE TROPOSPHERE WITH THE GREATEST HEIGHT FALLS
213. LENGTH OF DAY AND NIGHT AT THE EQUINOXES
214. CONVECTIVE INSTABILITY DEFINITION AND EXAMPLE
215. WHY THE SUN AND MOON LOOK BIGGER WHEN NEAR THE HORIZON
216. COMPARING THE DENSITY OF AIR TO WATER
217. DEFINING A "VORT MAX" AND A "VORT LOBE"
218. HOW QUICKLY CAN PRECIPITATION SATURATE THE AIR?
219. SUNBURN / TANNING MYTHS EXPOSED
220. WHY IS THE TEMPERATURE AT 32 F DURING WET SNOW?

221. RAPID MORNING BAROTROPIC WARMING
222. CAN IT BE TOO COLD TO SNOW?
223. OPERATIONAL INTERPRETATION OF 500 MB DPVA
224. RAINBOW TIDBITS
225. WHY CAN IT BE VERY COLD ON A SUNNY DAY?
226. HOW CAN TEMPERATURES WARM ON A CLOUDY DAY?
227. INTERPRETATION OF AVERAGE HIGH AND LOW TEMPERATURE
228. WHY DOESN'T GRAVITY PUSH CLOUDS TO THE GROUND?
229. WHO IS A METEOROLOGIST?
230. CAN ICE MELT WHEN THE AIR TEMPERATURE IS SUB-FREEZING?

231. RANGE FOLDING AND THE DOPPLER DILEMMA
232. WHICH PRECIPITATION TYPES ARE BEST DETECTED BY RADAR?
233. WHAT HAPPENS DURING VELOCITY ALIASING AND RANGE FOLDING
234. WHAT HAPPENS DURING DUCTING?
235. HOW DOES RADAR DETECT PRECIPITATION PARTICLES?
236. CAN RADAR DETECT A TORNADO?
237. RADAR CHARACTERISTICS OF SUPERCELLS
238. WHAT IS A HOOK ECHO?
239. WHAT IS THE RELEVANCE OF CLEAR AIR MODE?
240. RADAR RADIAL VELOCITY TYPES

241. WHAT IS THE DOPPLER SHIFT?
242. WHAT IS THE MEANING OF A TVS ICON?
243. WHAT IS BEAM SPREADING AND THE CONSEQUENCES?
244. WHY DO MID-LEVELS HAVE HIGHEST RADAR REFLECTIVITY?
245. WHAT IS SPECTRUM WIDTH?
246. WHAT IS THE DIFFERENCE BETWEEN ACCURACY AND PRECISION?
247. WHAT ARE ANOMALOUS PROPAGATION AND FALSE ECHOS?
248. WHAT IS ATTENUATION?
249. WHAT IS VIL (VERTICALLY INTEGRATED LIQUID)?
250. WHAT ARE RANGE, AZIMUTH, ELEVATION ANGLE AND ECHO HEIGHT?

Click Here for a quiz on Haby Hints 200 through 250

251. VALUE OF THE WIND CHILL INDEX
252. WHAT IS A "WHITE CHRISTMAS"?
253. WHY AREN'T COLD FRONTS AND CAA BOTH LIFTING MECHANISMS?
254. THE SIMPLIFIED OMEGA EQUATION (THERMAL ADVECTION TERM)
255. THE SIMPLIFIED OMEGA EQUATION (VORTICITY ADVECTION TERM)
256. JET STREAK WIND AND JET STREAK MOVEMENT
257. WHAT IS THE CONVECTIVE TEMPERATURE?
258. MODIFICATION OF A STAGNANT AIR MASS
259. PRECIPITATION EFFECT ON WET-BULBING OUT PROCESS
260. WHY IS MOIST AIR LESS DENSE THAN DRY AIR AT SAME TEMP?

261. WHAT CAUSES GIANT SNOWFLAKES?
262. THUNDERSTORMS AND FIRE
263. AN EXAMPLE OF COLD THICKNESS BIASING
264. WHEN ARE CELSIUS AND FAHRENHEIT THE SAME?
265. WEATHER WISHES VERSUS WEATHER REALITY
266. PRECIPITATION PROBABILITY BRAIN TEASER
267. DIFFERENCES BETWEEN ANALYZING WAA AND ISENTROPIC LIFT
268. WHY ARE TEMPERATURES COOLER IN RURAL AREAS?
269. WHAT IS AN ISOTHERMAL LAYER?
270. IRRELEVANCE OF SFC RH FOR PRECIPITATION PREDICTION

271. 10 POPULAR WEBSITES FOR REALTIME U.S. WEATHER DATA
272. HOW TO DETECT AND FORECAST VIRGA
273. WHAT IS A BACK DOOR COLD FRONT?
274. WHAT IS HEAT LIGHTNING?
275. SHEAR AND THUNDERSTORM TYPE
276. WHAT CAUSES GREAT VISIBILITY?
277. FORECASTING HIGHS AND LOWS USING MOS
278. FORECASTING SURFACE HIGH USING 850-mb TEMP
279. WHY DO HUMID NIGHTS TEND TO BE WARMER THAN DRY NIGHTS?
280. TV WEATHER: AMS AND NWA SEAL FAQ

281. THE TOP 5 REASONS POLAR AREAS ARE COLD
282. THE SANTA ANA WIND
283. HOW DOES WIND CREATE SOUND?
284. UNDERSTANDING POP (CHANCE OF PRECIPITATION)
285. WEATHER AND BASEBALL FLIGHT
286. LIGHTNING STORMS
287. STORMS THAT DO NOT HAVE A TORNADO
288. WHAT IS A DERECHO?
289. SEVERE STORM DEATHS
290. UNITS OF HELICITY AND CAPE

291. SKEW-T: A LOOK AT TP (TROPOPAUSE)
292. SKEW-T: A LOOK AT FRZ (FREEZING LEVEL)
293. SKEW-T: A LOOK AT WB0 (WET BULB ZERO LEVEL)
294. SKEW-T: A LOOK AT PW (PRECIPITABLE WATER)
295. SKEW-T: A LOOK AT RH (RELATIVE HUMIDITY)
296. SKEW-T: A LOOK AT MAXT (MAXIMUM TEMPERATURE)
297. SKEW-T: A LOOK AT TH (THICKNESS)
298. SKEW-T: A LOOK AT L57 (700 TO 500 MB LAPSE RATE)
299. SKEW-T: A LOOK AT LCL (LIFTED CONDENSATION LEVEL)
300. SKEW-T: A LOOK AT LI (LIFTED INDEX)

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301. SKEW-T: A LOOK AT SI (SHOWALTER INDEX)
302. SKEW-T: A LOOK AT TT (TOTAL TOTALS)
303. SKEW-T: A LOOK AT KI (K INDEX)
304. SKEW-T: A LOOK AT SW (SWEAT INDEX)
305. SKEW-T: A LOOK AT CAPE (PURE INSTABILITY)
306. SKEW-T: A LOOK AT CINH (CONVECTIVE INHIBITION)
307. SKEW-T: A LOOK AT SBLCL (SURFACE BASED LCL)
308. SKEW-T: A LOOK AT CAP (CAPPING LAYER)
309. SKEW-T: A LOOK AT LFC (LEVEL OF FREE CONVECTION)
310. SKEW-T: A LOOK AT EL (EQUILIBRIUM LEVEL)

311. SKEW-T: A LOOK AT MPL (MAXIMUM PARCEL LEVEL)
312. SKEW-T: A LOOK AT STM (STORM MOTION)
313. SKEW-T: A LOOK AT HEL (HELICITY)
314. SKEW-T: A LOOK AT EHI (ENERGY HELICITY INDEX)
315. SKEW-T: A LOOK AT BRN (BULK RICHARDSON NUMBER)
316. SKEW-T: A LOOK AT SRDS (STORM RELATIVE DIRECTIONAL SHEAR)
317. SKEW-T: A LOOK AT Tdd (DEWPOINT DEPRESSION)
318. SKEW-T: A LOOK AT MW (MAXIMUM WIND)
319. SKEW-T: A LOOK AT STORM UVV
320. SKEW-T: A LOOK AT CCL (CONVECTIVE CONDENSATION LEVEL)

321. SKEW-T: A LOOK AT TEI (THETA-E INDEX)
322. SKEW-T: A LOOK AT 0-3 KM SHEAR
323. SKEW-T: A LOOK AT SURFACE RH
324. SKEW-T: A LOOK AT THETA-E
325. SKEW-T: A LOOK AT EI (ENERGY INDEX)
326. WHY ARE HURRICANES HARD TO PREDICT?
327. WHAT IS THE POLAR VORTEX?
328. WHAT IS A UVV MAX?
329. WHAT IS A COLD AIR FUNNEL?
330. HOW IS DEWPOINT CALCULATED?

331. INSIDE RH AS A FUNCTION OF OUTSIDE WEATHER
332. THE "WHAT DAY IS IT OVERNIGHT?" PROBLEM
333. A BAROMETRIC PRESSURE TIDBIT AND A PERPLEXION
334. WHAT CAUSES THUNDERSNOW?
335. COLD AIR DAMMING EXAMPLE
336. DYNAMIC PRECIP vs. CONVECTIVE PRECIP
337. TEXAS DRYLINE PROPAGATION ON MODELS
338. POLAR JET STREAM VORTICES AND JET STREAKS
339. HORIZONTAL WIND SPEED AT THE CENTER OF A CLOSED LOW
340. REASONS FOR UNSTABLE LIFTED INDEX

341. WHAT IS A HEAT BURST?
342. AN ANALYSIS OF GIANT HAIL
343. LOCATING A FRONTAL BOUNDARY
344. INITIALIZING A MODEL
345. WHY ARE HOT AND HUMID DAYS OFTEN HAZY?
346. SNOW TO LIQUID EQUIVALENT
347. FROST POINT AND DEW POINT
348. WHAT IS DIFFERENTIAL ADVECTION?
349. RELATIONSHIP BETWEEN THICKNESS AND TEMPERATURE GRADIENTS
350. LONGWAVE TROUGH MOVEMENT

Click Here for a quiz on Haby Hints 300 through 350

351. SEVERE STORM STRUCTURE: ANVIL
352. SEVERE STORM STRUCTURE: OVERSHOOTING TOP
353. SEVERE STORM STRUCTURE: MAMMATUS
354. SEVERE STORM STRUCTURE: FLANKING LINE
355. SEVERE STORM STRUCTURE: RAIN CORE / HAIL CORE
356. SEVERE STORM STRUCTURE: WALL CLOUD
357. SEVERE STORM STRUCTURE: RAIN-FREE BASE
358. SEVERE STORM STRUCTURE: FLANK DOWN DRAFTS
359. WHAT IS DIFFERENCE BETWEEN ICE FOG AND FREEZING FOG?
360. WHAT IS DEEPENING AND FILLING OF A LOW PRESSURE SYSTEM?

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