Alert archive / Mississippi / Flash Flood Warnings in 1990
Flash Flood Warning 27, NWS Jackson, MS
NWS Jackson, MS issued this flash flood warning at May 13, 1990, 2:24 AM CDT for Claiborne County, Mississippi. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- May 13, 1990, 2:24 AM CDT (07:24 UTC)
- Expired
- May 13, 1990, 6:30 AM CDT
- In force
- 4 hr
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Claiborne County, MS
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Jackson, MS (KJAN), launched 00:00Z, 7.4 hours before the alert went out and 87 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 711 m above ground
- 0-6 km bulk shear
- 73 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 149 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 KJAN 130727 FFWJAN MSC021-131130- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE JACKSON MS 224 AM CDT SUN MAY 13 1990 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 630 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN WEST CENTRAL MISSISSIPPI ...CLAIBORNE COUNTY ALTHOUGH THE HEAVY RAINS HAVE MOVED OUT OF CLAIBORNE COUNTY...THE RAIN THAT OCCURRED DURING THE DAY SATURDAY AND EARLIER TONIGHT IS CAUSING THE RIVERS AND STREAMS ACROSS THE COUNTY TO RISE RAPIDLY. FLOODING HAS ALREADY BEEN REPORTED AND 5 FAMILIES HAVE BEEN EVACUATED DUE TO HIGH WATER. IT IS VERY POSSIBLE THAT MORE EVACUATIONS WILL BE REQUIRED BEFORE SUNRISE. A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING. DO NOT STAY IN AREAS SUBJECT TO FLASH FLOODING WHEN WATER BEGINS RISING. 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
Local storm report, May 12, 10:38 PM CDT, 3 hours 46 minutes before
LOCAL STORM REPORT NATIONAL WEATHER SERVICE MERIDIAN MS 1035 PM CDT SAT MAY 12 1990 AT 830 PM CDT JONES COUNTY CIVIL DEFENSE REPORTED STREET FLOODING IN ELLISVILLE MISSISSIPPI...8 MILES SOUTHWEST OF LAUREL.
Special weather statement, May 12, 10:51 PM CDT, 3 hours 33 minutes before
MSZ009-012-ALZ008-013-130350- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MERIDIAN MS 1052 PM CDT SAT MAY 12 1990 ...TORNADO WATCH NUMBER 224 HAS BEEN CANCELLED FOR JONES AND WAYNE COUNTIES IN EAST CENTRAL MISSISSIPPI. ...FLASH FLOOD WARNING FOR JONES COUNTY MISSISSIPPI UNTIL 1245 AM CDT... ...FLASH FLOOD WATCH IN EFFECT FOR CENTRAL MISSISSIPPI SOUTH OF A VICKSBURG TO MERIDIAN LINE AND NORTH OF A NATCHEZ TO WAYNESBORO LINE... AT 1050 PM CDT RADAR SHOWED A LARGE AREA OF RAIN WITH WIDELY SCATTERED THUNDERSTORMS COVERED MOST OF EAST CENTRAL MISSISSIPPI AND EXTREME WEST CENTRAL ALABAMA. ALL OF THE PRECIPITATION WAS MOVING EAST AT 25 MPH.
Special weather statement, May 13, 12:44 AM CDT, 1 hour 40 minutes before
MSZALL-130200 SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 1235 AM CDT SUN MAY 13 1990 ...TORNADO WATCH REMAINS IN EFFECT ACROSS THE SOUTHERN QUARTER OF MISSISSIPPI UNTIL 2AM.. ...FLASH FLOOD WATCH IN EFFECT FOR THE REMAINDER OF TONIGHT FOR A PORTION OF SOUTH MISSISSIPPI... AT 1230 AM..A 50 MILE WIDE BAND OF STRONG THUNDERSTORMS STRETCHED ACROSS A PORTION OF SOUTH MISSISSIPPI FROM PORT GIBSON TO HATTIESBURG. THE STRONGEST OF THE STORMS WERE LOCATED NEAR HERMANVILLE...NEAR GEORGETOWN...AND NEAR BASSFIELD. THESE STORMS ARE PRODUCING VERY HEAVY RAINFALL...DANGEROUS LIGHTNING...GUSTY WINDS...AND POSSIBLE HAIL AS THEY MOVE TO THE EAST SOUTHEAST AT 40 MILES AN HOUR. OTHER THUNDERSTORMS WERE EMBEDDED IN A LARGE AREA OF LIGHT TO MODERATE WHICH COVERED MOST OF THE SOUTHERN HALF OF MISSISSIPPI. THIS RAIN AREA WAS GENERALLY ALONG AND SOUTH OF A VICKSBURG...TO COLUMBUS LINE. < OTHER THUNDEJRSTORMS ALSO CONTINUE TO DEVELOP TO THE WEST OF THE MISSISSIPPI RIVER ACROSS CENTRAL LOUISIANA...AND SHOULD BE AFFECTING SOUTH MISSISSIPPI DURING THE NEXT COUPLE OF HOURS. MOVEMENT WAS SOUTHEAST AT 30 MILES AN HOUR.
Local storm report, May 13, 12:53 AM CDT, 1 hour 31 minutes before
LOCAL STORM REPORT NATIONAL WEATHER SERVICE MERIDIAN MS 1253 AM CDT SUN MAY 13 1990 WAYNESBORO P. D. REPORTS MANY STREETS FLOODED FROM 1130 PM SATURDAY TO 1230 AM SUNDAY...WAYNE COUNTY MISSISSIPPI.
Special weather statement, May 13, 1:42 AM CDT, 42 minutes before
MSZALL-130800 SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 135 AM CDT SUN MAY 13 1990 ...TORNADO WATCH REMAINS IN EFFECT ACROSS THE SOUTHERN QUARTER OF MISSISSIPPI UNTIL 2AM.. ...FLASH FLOOD WATCH IN EFFECT FOR THE REMAINDER OF TONIGHT FOR A PORTION OF SOUTH MISSISSIPPI... AT 130 AM..A 30 MILE WIDE BAND OF STRONG THUNDERSTORMS STRETCHED ACROSS A PORTION OF SOUTH MISSISSIPPI FROM FAYETTE TO LAUREL. THE STRONGEST STORMS IN THIS BAND WERE LOCATED BETWEEN BROOKHAVEN AND COLLINS. THESES STORMS ARE CONTINUING TO PRODUCE VERY HEAVY RAIN ALONG WITH..DANGEROUS LIGHTNING...GUSTY WINDS...AND POSSIBLY HAIL. OTHER THUNDERSTORMS WERE EMBEDDED IN A LARGE AREA OF LIGHT TO MODERATE WHICH COVERED MOST OF THE SOUTHERN HALF OF MISSISSIPPI. THIS RAIN AREA WAS GENERALLY ALONG AND SOUTH OF A PORT GIBSON TO MERIDIAN LINE. MOVEMENT WAS SOUTHEAST AT 40 MILES AN HOUR.
Special weather statement, May 13, 2:08 AM CDT, 16 minutes before
MSZALL-130800 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 205 AM CDT SUN MAY 13 1990 ...FLASH FLOOD WATCH IN EFFECT FOR THE REMAINDER OF TONIGHT FOR A PORTION OF SOUTH MISSISSIPPI... ALTHOUGH THE TORNADO WATCH NUMBER 224 HAS EXPIRED...STRONG THUNDERSTORMS ARE CONTINUING ACROSS PORTIONS OF SOUTHEAST MISSISSIPPI. THE STRONGEST THUNDERSTORMS ARE IN A 30 MILE WIDE BAND WHICH STRETCHES FROM COLLINS TO JUST NORTH OF HATTIESBURG. THE THUNDERSTORMS IN THIS BAND ARE CONTINUING TO PRODUCE VERY HEAVY RAIN ALONG WITH DANGEROUS LIGHTNING... GUSTY WINDS...AND POSSIBLY HAIL. OTHER THUNDERSTORMS WERE EMBEDDED IN A LARGE AREA OF LIGHT TO MODERATE WHICH COVERED MOST OF THE SOUTHERN HALF OF MISSISSIPPI. THIS RAIN AREA WAS GENERALLY ALONG AND SOUTH OF A PORT GIBSON TO QUITMAN LINE. < MOVEMENT WAS SOUTHEAST AT 40 MILES AN HOUR.
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 12, 7:23 PM CDT | Tornado Warning | JAN | Lamar, Marion | 37 min |
| May 12, 7:40 PM CDT | Flash Flood Warning | JAN | Jones | 5 hr |
| May 12, 8:35 PM CDT | Tornado Warning | JAN | Lamar, Marion | 40 min |
| May 12, 9:31 PM CDT | Flash Flood Warning | JAN | Forrest | 3 hr |
| May 12, 9:58 PM CDT | Flash Flood Warning | JAN | Copiah, Covington, Jefferson Davis, Lawrence, Simpson, Smith | 2 hr |
| May 12, 9:58 PM CDT | Flash Flood Warning | JAN | Franklin, Jefferson, Lincoln | 2 hr |
| May 12, 11:16 PM CDT | Flash Flood Warning | JAN | Wayne | 6 hr |
| May 13, 12:18 AM CDT | Severe Thunderstorm Warning | JAN | Copiah | 27 min |
| May 13, 12:32 AM CDT | Flash Flood Warning | JAN | Jones | 5 hr |
| May 13, 5:07 AM CDT | Flash Flood Warning | JAN | Jones | 4 hr |
Nearby
Flash Flood Warnings in Mississippi, 1990Every flash flood warning in 1990
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.