Alert archive / Alabama / Flash Flood Warnings in 1992
Flash Flood Warning 11, NWS Birmingham, AL
NWS Birmingham, AL issued this flash flood warning at Sep 5, 1992, 6:33 PM CDT for Jackson County, Alabama. It was in force for 72 min.
The area
The counties it named.
The facts
- Issued
- Sep 5, 1992, 6:33 PM CDT (23:33 UTC)
- Expired
- Sep 5, 1992, 7:45 PM CDT
- In force
- 72 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Jackson County, AL
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 11.6 hours before the alert went out and 160 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
- NaN m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 35 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KHSV 052334 FFWHSV ALC071-060330- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE HUNTSVILLE AL 633 PM CDT SAT SEP 5 1992 THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 1030 PM CDT IN NORTH ALABAMA ...EASTERN JACKSON COUNTY AT 632 THIS EVENING WEATHER SERVICE RADAR INDICATED STRONG THUNDERSTORMS WITH VERY HEAVY RAINFALL OVER EASTERN JACKSON COUNTY. THESE THUNDERSTORMS HAVE REMAINED NEARLY STATIONARY OVER THIS AREA FOR THE PAST COUPLE OF HOURS. REPORTS OF FLOODING HAVE ALREADY BEEN RECEIVED FROM THE DEPARTMENT OF PUBLIC SAFETY. PERSONS IN THE AREA SUBJECT TO FLOODING SHOULD TAKE APPROPRIATE ACTION IMMEDIATELY. A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...E&VEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Sep 5, 5:23 PM CDT, 1 hour 10 minutes before
ALZ004>009-011-052330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 522 PM CDT SAT SEP 5 1992 RADAR AT 520 PM INDICATED SHOWERS AND HEAVY THUNDERSTORMS OVER CENTRAL ALABAMA. THE STRONGEST STORMS WERE IN PERRY...SHELBY AND JEFFERSON COUNTIES. THE THUNDERSTORM OVER JEFFERSON COUNTY WAS AFFECTING THE SOUTHERN AND EASTERN SUBURBS OF THE BIRMINGHAM METROPOLITAN AREA. PERSONS IN THE VICINITY OF THESE STORMS CAN EXPECT VERY HEAVY RAIN...LIGHTNING... GUSTY WIND...AND POSSIBLY SMALL HIAL. THESE STORMS WERE MOVING NORTHEAST AT AROUND 20 MILES AN HOUR. OTHER STORMS WERE DEVELOPING OVER SOUTH CENTRAL ALABAMA AND WILL BE MOVING INTO THE CENTRAL ALABAMA DURING THE COUPLE HOURS. V THE STORMS SHOULD BEGIN TO WEAKEN AFTER SUNSET WITH ONLY ISOLATED THUNDERSHOWERS LEFT DURING THE EVENING HOURS. PERSONS SHOULD REMAIN ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS.
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 5, 5:47 PM CDT | Flash Flood Warning | BMX | Jefferson | 58 min |
Nearby
Flash Flood Warnings in Alabama, 1992Every flash flood warning in 1992
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.