Alert archive / Alabama / Flash Flood Warnings in 1997
Flash Flood Warning 20, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Jul 21, 1997, 2:40 PM CDT for Choctaw County, Alabama. It was in force for 12 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 21, 1997, 2:40 PM CDT (19:40 UTC)
- Expired
- Jul 22, 1997, 2:45 AM CDT
- In force
- 12 hr
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County Choctaw County, AL
The radar
The Mobile radar (KMOB), 149 km from the middle of the area, began a volume at 19:42 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.
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 7.7 hours before the alert went out and 174 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
- 2405 J/kg
- Mixed-layer CIN
- -38 J/kg
- Mixed-layer LCL
- 760 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 88 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 KMOB 211942 FFWMOB ALC023-220745- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE MOBILE AL 240 PM CDT MON JUL 21 1997 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 245 AM CDT TUESDAY MORNING FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHWEST ALABAMA ...CHOCTAW COUNTY AT 245 PM...NWS DOPPLER WEATHER RADAR IN MOBILE,AL INDICATED HEAVY RAINS TO BE SUBSIDING SOMEWHAT OVER NORTHERN CHOCTAW COUNTY AS THE REMNANTS OF DANNY WOBBLES SLOWLY NORTHWARD. SCATTERED THUNDERSTORMS WITH VERY HEAVY RAIN WILL DEVELOP OFF AND ON THROUGH DARK OVER THE COUNTY. BOTH RADAR AND SATELLITE ESTIMATES INDICATE THAT BETWEEN 10 AND 12 INCHES OF RAIN HAS FALLEN OVER CHOCTAW COUNTY SINCE THE EARLY MORNING HOURS. AN ADDITIONAL INCH OR TWO CAN BE EXPECTED IN SCATTERED LOCATIONS UNTIL THUNDERSTORMS DIMINISH SOMEWHAT LATER THIS EVENING. SEVERAL ROADS HAVE BEEN CLOSED DUE TO HIGH WATER. ALSO SMALL CREEKS AND RIVERS MAY BE SWOLLEN OR ABOVE BANKFULL. AS MORE EXCESS RAINFALL RUNOFF CONTINUES TO OCCUR THROUGHOUT THE EVENING...EXPECT FLOODING TO CONINUTE WITH SOME ROADS REMAINING INUNDATED. IT HAS BEEN REPORTED THAT HIGHWAY ACCESS BETWEEN MERIDIAN,MS AND BUTLER, AL HAS IS CLOSED. THIS FLOOD WARNING HAS BEEN ISSUED AS A REMINDER THAT FLOODING IS OCCURRING. IF YOU LIVE NEAR SMALL CREEKS...TRIBUTIRIES OR RIVERS PLEASE STAY TUNED TO LATER STATEMENTS AND THE EXTENSION OF THIS WARNING. 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...EV EN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 20, 10:55 PM CDT | Flash Flood Warning | MOB | Baldwin, Mobile | 12 hr |
| Jul 21, 7:09 AM CDT | Flash Flood Warning | MOB | Choctaw | 3 hr |
| Jul 21, 9:12 AM CDT | Flash Flood Warning | MOB | Choctaw | 6 hr |
| Jul 21, 11:12 AM CDT | Flash Flood Warning | MOB | Baldwin, Mobile | 7 hr |
| Jul 21, 11:15 AM CDT | Flash Flood Warning | MOB | Baldwin, Mobile | 13 hr |
Nearby
Flash Flood Warnings in Alabama, 1997Every flash flood 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; radar from the NEXRAD Level II archive.