Alert archive / Alabama / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 45, NWS Tallahassee, FL
NWS Tallahassee, FL issued this severe thunderstorm warning at Apr 22, 1997, 9:14 PM CDT for Henry County, Alabama. It was in force for 46 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Apr 22, 1997, 9:14 PM CDT (02:14 UTC)
- Expired
- Apr 22, 1997, 10:00 PM CDT
- In force
- 46 min
- Issued by
- NWS Tallahassee, FL
- Area
- Whole counties
County Henry County, AL
The radar
The Ft Rucker radar (KEOX), 22 km from the middle of the area, began a volume at 02:17 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 22, 9:20 PM CDT | Thunderstorm Wind | Abbeville, AL | Trees and power lines were downed. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 22, 9:00 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 2.2 hours before the alert went out and 153 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
- 1287 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 1229 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 36 m²/s²
- 0-3 km storm-relative helicity
- 104 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTLH 230216 RRA SVRTLH ALC067-230300- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TALLAHASSEE FL 1014 PM EDT (914 PM CDT) TUE APR 22 1997 THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1100 PM EDT (1000 PM CDT) FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST ALABAMA ...HENRY COUNTY AT 910 PM RADAR INDICATED SEVERE THUNDERSTORMS MOVING INTO HENRY COUNTY. THESE STORMS HAVE A HISTORY OF PRODUCING WIND DAMAGE ALONG WITH SMALL HAIL. THESE STORMS WILL MOVE EAST AT 45 MPH AND WILL MOVE ACROSS ALL OF HENRY COUNTY THROUGH 10 PM. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER... BSEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING.
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 Apr 22, 7:47 PM CDT, 1 hour 27 minutes earlier.
Area forecast discussion, Apr 22, 7:47 PM CDT, 1 hour 27 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TALLAHASSEE FL 830 PM EDT TUE APR 22 1997 LINE OF STORMS BOOKING EASTWARD QUITE RAPIDLY. UNLESS THERE IS FURTHER SOUTHWARD DEVELOPMENT...LOOKS LIKE SOUTH END WOULD MOVE ALONG THE FL AL/GA BORDERS. SW GA POPS NEED TO BE INCREASED FOR THIS EVENING. WILL LOWER MIN TEMPS OVER BIG BEND JUST A BIT AND FOR NOW WILL LEAVE POPS ALONE...WITH PERHAPS ANOTHER UPDATE LATER THIS EVENING. ATTENTION BHM/MOB: WE ARE NOT ABLE TO DIAL INTO ANY SURROUNDING RADARS...INCLUDING OUR DEDICATED PUP INTO KEVX. PLEASE KEEP AN EYE OUT FOR US ACROSS SE AL AND THE PH. THANKS. 10
The office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 22, 8:38 PM CDT | Severe Thunderstorm Warning | TAE | Coffee | 52 min |
| Apr 22, 8:46 PM CDT | Severe Thunderstorm Warning | TAE | Dale, Geneva | 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.