Alert archive / Mississippi / Flash Flood Warnings in 1991
Flash Flood Warning 33, NWS Jackson, MS
NWS Jackson, MS issued this flash flood warning at Apr 28, 1991, 9:13 PM CDT for Issaquena County, Mississippi. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Apr 28, 1991, 9:13 PM CDT (02:13 UTC)
- Expired
- Apr 28, 1991, 11:15 PM CDT
- In force
- 2 hr
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Issaquena County, MS
The nearest sounding before it
Jackson, MS (KJAN), launched 00:00Z, 2.2 hours before the alert went out and 97 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
- 515 J/kg
- Mixed-layer CIN
- -38 J/kg
- Mixed-layer LCL
- 606 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 134 m²/s²
- 0-3 km storm-relative helicity
- 111 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
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 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
Local storm report, Apr 28, 3:18 PM CDT, 5 hours 55 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MERIDIAN MS
315 PM CDT SUN APR 28 1991
225 PM CDT...LAUDERDALE COUNTY S. O. REPORTS NICKEL-SIZE HAIL
15 MILES NORTH NORTHWEST OF MERIDIAN MISSISSI?PPI NEAR
DUFFEE MISSISSIPPI.Special weather statement, Apr 28, 5:21 PM CDT, 3 hours 52 minutes before
MSZ009-012-ALZ008-013-290000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MERIDIAN MS 510 PM CDT SUN APR 28 1991 ...TORNADO WATCHES NUMBERS 223...228...229 CONTINUE IN EFFECT FOR ALL COUNTIES IN EAST CENTRAL MISSISSIPPI AND EXTREME WEST CENTRAL... TORNADO WATCH 223 CONTINUES IN EFFECT UNTIL 900 PM CDT FOR CENTRAL MISSISSIPPI AND TORNADO WATCHES 228 AND 229 CONTINUE IN EFFECT UNTIL 1000 PM CDT AND 1100 PM FOR EXTREME WEST CENTRAL ALABAMA AND EAST CENTRAL MISSISSIPPI. A FLASH FLOOD WATCH IS IN EFFECT FOR EAST CENTRAL MISSISSIPPI FOR TONIGHT. AT 502 PM CDT RADAR INDICATED A LARGE AREA OF RAIN WITH EMBEDDED INTENSE THUNDERSTORMS ALONG AND WEST OF A LINE FROM NEAR COLUMBIA MISSISSHIPPI TO TO NEAR ABERDEEN MISSISSIPPI. THE STRONGEST STORMS WERE IN A LINE FROM NEAR COLOUMBUS TO NEAR WINONA MISSISSIPPI. ALL THE THUNDERSTORMS WERE MOVING NORTHEAST AT 35 MPH.
Local storm report, Apr 28, 6:53 PM CDT, 2 hours 20 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MERIDIAN MS
650 PM CDT SUN APR 28 1991
622 PM CDT...HOUSE FIRE DEPT. REPORTS FUNNEL CLOUD OVER HOUSE
MISSISSIPPI OR 13 MILES SOUTHEAST OF PHILADELPHIA
MISSISSIPPI.
625 PM CDT...NESHOBA COUNTY C. D. REPORTS FUNNEL CLOUD 7 MILES
SOUTHEAST OF PHILADELPHIA MISSISSIPPI.Special weather statement, Apr 28, 7:10 PM CDT, 2 hours 3 minutes before
MSZ009-012-ALZ008-013-290200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MERIDIAN MS 705 PM CDT SUN APR 28 1991 ...TORNADO WATCHES 223 AND 229 CONTINUE IN EFFECT FOR ALL COUNTIES IN EAST CENTRAL MISSISSIPPI. ...TORNADO WATCH 228 HAS BEEN CANCELLED FOR EXTREME WEST CENTRAL ALABAMA. ...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR MISSISSIPPI FOR TONIGHT. TORNADO WATCH 223 IS IN EFFECT UNTIL 900 PM CDT AND TORNADO WATCH 229 IS IN EFFECT UNTIL 1100 PM CDT FOR EAST CENTRAL MISSISSIPPI. AT 705 PM CDT RADAR INDICATED A LARGE AREA OF RAIN AND THUNDERSTORMS ALONG AND WEST OF A LINE FROM HEIDELBERG MISSISSIPPI TO NEAR OAKMAN ALABAMA. THE STRONGEST STORMS WERE LOCATED IN NOXUBEE COUNTY MISS&ISSIPPI. ALL RADAR ECHOES WERE MOVING NORTHEAST AT 40 MPH.
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 28, 7:07 PM CDT | Severe Thunderstorm Warning | JAN | Amite, Franklin | 38 min |
| Apr 28, 7:26 PM CDT | Severe Thunderstorm Warning | JAN | Wilkinson | 49 min |
| Apr 28, 7:47 PM CDT | Severe Thunderstorm Warning | JAN | Amite | 28 min |
| Apr 28, 8:20 PM CDT | Severe Thunderstorm Warning | JAN | Franklin | 40 min |
| Apr 28, 9:13 PM CDT | Flash Flood Warning | JAN | Humphreys, Sharkey, Sunflower, Washington | 2 hr |
| Apr 28, 9:13 PM CDT | Flash Flood Warning | JAN | Bolivar | 2 hr |
| Apr 28, 9:13 PM CDT | Severe Thunderstorm Warning | JAN | Bolivar, Humphreys, Sunflower, Washington | 2 hr |
| Apr 28, 9:13 PM CDT | Severe Thunderstorm Warning | JAN | Issaquena, Sharkey | 2 hr |
| Apr 28, 10:04 PM CDT | Flash Flood Warning | JAN | Yazoo | 116 min |
| Apr 28, 10:04 PM CDT | Flash Flood Warning | JAN | Leflore, Tallahatchie | 116 min |
| Apr 28, 10:04 PM CDT | Severe Thunderstorm Warning | JAN | Leflore, Tallahatchie | 116 min |
| Apr 28, 10:04 PM CDT | Severe Thunderstorm Warning | JAN | Yazoo | 116 min |
| Apr 28, 10:15 PM CDT | Severe Thunderstorm Warning | JAN | Warren | 60 min |
| Apr 28, 10:30 PM CDT | Flash Flood Warning | JAN | Carroll, Holmes | 2 hr |
| Apr 28, 10:30 PM CDT | Severe Thunderstorm Warning | JAN | Carroll, Holmes | 2 hr |
| Apr 28, 10:49 PM CDT | Tornado Warning | JAN | Yazoo | 26 min |
| Apr 28, 11:15 PM CDT | Flash Flood Warning | JAN | Bolivar, Humphreys, Sunflower, Washington | 3 hr |
| Apr 28, 11:15 PM CDT | Flash Flood Warning | JAN | Issaquena, Sharkey | 3 hr |
| Apr 28, 11:45 PM CDT | Flash Flood Warning | JAN | Warren | 2 hr |
| Apr 28, 11:45 PM CDT | Severe Thunderstorm Warning | JAN | Warren | 2 hr |
| Apr 29, 12:02 AM CDT | Flash Flood Warning | JAN | Warren, Yazoo | 3 hr |
| Apr 29, 1:37 AM CDT | Flash Flood Warning | JAN | Carroll, Holmes, Leflore | 83 min |
| Apr 29, 1:48 AM CDT | Severe Thunderstorm Warning | JAN | Adams, Claiborne, Jefferson | 57 min |
| Apr 29, 1:48 AM CDT | Severe Thunderstorm Warning | JAN | Warren | 57 min |
| Apr 29, 1:59 AM CDT | Severe Thunderstorm Warning | JAN | Humphreys, Sharkey, Yazoo | 61 min |
| Apr 29, 2:16 AM CDT | Severe Thunderstorm Warning | JAN | Carroll, Holmes, Leflore | 44 min |
| Apr 29, 2:26 AM CDT | Flash Flood Warning | JAN | Bolivar, Humphreys, Issaquena, Sharkey, Sunflower, Washington | 4 hr |
| Apr 29, 2:59 AM CDT | Severe Thunderstorm Warning | JAN | Hinds, Madison | 61 min |
| Apr 29, 3:07 AM CDT | Flash Flood Warning | JAN | Carroll, Holmes, Leflore, Yazoo | 3 hr |
| Apr 29, 4:43 AM CDT | Flash Flood Warning | JAN | Attala | 3 hr |
| Apr 29, 3:05 PM CDT | Flash Flood Warning | JAN | Covington, Jefferson Davis | 115 min |
| Apr 29, 3:05 PM CDT | Flash Flood Warning | JAN | Lawrence, Marion, Walthall | 115 min |
| Apr 29, 4:57 PM CDT | Flash Flood Warning | JAN | Jefferson Davis, Lawrence, Marion, Simpson, Walthall | 4 hr |
| Apr 29, 4:57 PM CDT | Flash Flood Warning | JAN | Covington, Forrest, Lamar | 4 hr |
| Apr 29, 4:57 PM CDT | Flash Flood Warning | JAN | Smith | 4 hr |
| Apr 29, 4:57 PM CDT | Flash Flood Warning | JAN | Pike | 4 hr |
| Apr 29, 5:36 PM CDT | Flash Flood Warning | JAN | Neshoba | 3 hr |
Nearby
Flash Flood Warnings in Mississippi, 1991Every flash flood warning in 1991
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.