Alert archive / Alabama / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 20, NWS Tallahassee, FL
NWS Tallahassee, FL issued this severe thunderstorm warning at Jan 24, 1997, 8:21 AM CST for Coffee County, Alabama. It was in force for 69 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jan 24, 1997, 8:21 AM CST (14:21 UTC)
- Expired
- Jan 24, 1997, 9:30 AM CST
- In force
- 69 min
- Issued by
- NWS Tallahassee, FL
- Area
- Whole counties
County Coffee County, AL
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 24, 6:45 AM CST | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 2.4 hours before the alert went out and 196 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1138 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 149 m²/s²
- 0-3 km storm-relative helicity
- 277 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Tallahassee, FL wrote its last area forecast discussion before this severe thunderstorm warning went out at Jan 24, 2:57 AM CST, 5 hours 24 minutes earlier.
Area forecast discussion, Jan 24, 2:57 AM CST, 5 hours 24 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TALLAHASSEE FL 330 AM EST FRI JAN 24 1997 UPR TROF OVR MIDDLE OF COUNTRY WILL DEEPEN AND BECOME BETTER DEFINED DURG FRI AS S/WVS IN BOTH STREAMS COME INTO PHASE. AXIS OF THIS TROF WILL BECOME NEGATIVELY TILTED AS IT SWINGS ACRS SERN STATES SAT MORN. THIS SHOULD PROVIDE PLENTY OF IMPETUS TO PUSH SFC CDFNT ACRS FCST AREA ARND 12Z SAT. HOWEVER...EXPC PLENTY OF CNVTV ACTIVITY TO OCCUR BEFORE FROPA ALG PREFRONTAL SFC TROF LATE THIS EVE AND INTO EARLY SAT. VERY UNIMPRESSED WITH MANNER IN WHICH NGM HANDLES THIS SYS WITH RATHER LOW PROB OF PRECIP ON FWC GUIDANCE. FOR THIS REASON MAINLY...AMONG OTHERS...WILL LEAN STRONGLY TWD ETA. PREFER HIER POPS CURRENTLY IN ZONES FOR FRI NITE. IN THIS SCENARIO...WILL EXPC MOST TSRA TO DVLP AND MOV INTO FL PNHNDL/SE AL DURG MID TO LATE EVE...AND MOVG ACRS FL BIG BEND/SW GA DURG EARLY SAT. AGREE WITH SPC ON SLGT RISK AREA LATER TONITE AS ETA SHOWS GOOD INSTABILITY FOR THIS TIME OF YEAR AS WELL AS DECENT WIND FIELD. ALTHO LLVL JET WILL BE STGR TO N ALG WITH MID LVL WIND MAX...SR HELICITIES WILL PROBABLY STILL BE ARND 200 M2/S2 AHD OF SFC TROF. WITH THAT IN MIND...MIGHT WANT TO CONSIDER SOME ENHANCED WORD ING FOR SVR TSTMS IN 2ND PD. MEANWHILE...IN THE SHORT TERM...MIGHT ALSO HAVE TO CONSIDER DENSE FOG ADVY ACRS NW FL IF FOG GETS ANY MORE WIDESPREAD. MOORE
The office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 24, 8:46 AM CST | Severe Thunderstorm Warning | TAE | Dale | 59 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 1997Every severe thunderstorm warning in 1997
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.