Alert archive / Alabama / Flash Flood Warnings in 1992
Flash Flood Warning 2, NWS Birmingham, AL
NWS Birmingham, AL issued this flash flood warning at Apr 15, 1992, 6:03 PM CDT for Etowah County, Alabama. It was in force for 117 min.
The area
The counties it named.
The facts
- Issued
- Apr 15, 1992, 6:03 PM CDT (23:03 UTC)
- Expired
- Apr 15, 1992, 8:00 PM CDT
- In force
- 117 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Etowah County, AL
The nearest sounding before it
Centreville/Bibb, AL (KCKL), launched 12:00Z, 11.1 hours before the alert went out and 167 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
- 356 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 797 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- -6 m²/s²
- 0-3 km storm-relative helicity
- 31 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 KBHM 152303 FFWBHM ALC055-160100- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE BIRMINGHAM AL 603 PM CDT WED APR 15 1992 THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 800 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTH ALABAMA ...WESTERN ETOWAH COUNTY CONTINUOUS THUNDERSTORMS OVER THE MOUNTAINOUS TERRAIN OF WESTERN ETOWAH COUNTY OVER THE PAST SEVERAL HOURS HAVE PRODUCED HEAVY RAIN. THE MAIN AREA OF THE HEAVY RAIN WAS BETWEEN THE TOWNS OF GALLANT AND ALTOONA. FLOODING IS LIKELY IN THE VALLEYS AND SMALL STREAMS SUCH AS POLE CREEK AND CLEAR CREEK IN THE WESTERN ETOWAH COUNTY AREA. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE 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, Apr 15, 2:39 PM CDT, 3 hours 24 minutes before
ALZ004>007-142045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 239 PM CDT WED APR 15 1992 NATIONAL WEATHER SERVICE RADAR AT CENTREVILLE/BRENT INDICATED WIDELY SCATTERED THUNDERSTORMS IN A COUPLE SPOTS OF NORTH AND CENTRAL ALABAMA THIS AFTERNOONA. ONE THUNDERSTORM...LOCATED NEAR THE CITY OF GADSDEN ...PRODUCED PEA TO MARBLE SIZED HAIL AND WINDS IN EXCESS OF 30 MPH. RADAR AT 235 PM INDICATED THAT THE THUNDERSTORMS WERE WEAKENING...BUT MORE WIDELY SCATTERED STORMS MAY DEVELOP AS CONDITIONS CONTINUE TO HEAT UP THE REST OF THIS AFTERNOON. SINCE THE AFTERNOON HEAT WAS A KEY INGREDIENT IN THE DEVELOPMENT OF THESE STORMS...THEY WILL DIE OFF COMPLETELY LATER THIS EVENING...AFTER THE SUN GOES DOWN.
Special weather statement, Apr 15, 5:14 PM CDT, 49 minutes before
ALZ004>007-142130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 510 PM CDT WED APR 15 1992 ISOLATED THUNDERSTORMS WERE CONTINUING ACROSS PORTIONS OF EAST CENTRAL ALABAMA THIS AFTERNOON. AT 510 PM WEATHER SERVICE RADAR INDICATED ISOLATED THUNDERSTORMS OCCURRING OVER PORTIONS EAST CENTRAL ALABAMA. THE STRONGEST THUNDERSTORMS WERE IN WESTERN ETOWAH COUNTY...WEST OF GADSDEN AND NORTHERN CLEBURNE COUNTY...EAST OF JACKSONVILLE. THESE STORMS WERE NEARLY STATIONARY. WITH THE THUNDERSTORMS REMAINING NEARLY STATIONARY SOME LOCALIZED STREET FLOODING AND MINOR FLOODING OF LOW LYING AREAS WILL BE POSSIBLE. IN ADDITION...STRONG GUSTY WINDS...AND HAIL ARE ALSO POSSIBLE. THE THUNDERSTORMS WILL DIMINISH DURING THE EVENING HOURS AS TEMPERATURES DECLINE.
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.