Alert archive / Mississippi / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 128, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at May 28, 1990, 11:53 AM CDT for Hancock County, Pearl River County, Mississippi. It was in force for 67 min.
The area
The counties it named.
The facts
- Issued
- May 28, 1990, 11:53 AM CDT (16:53 UTC)
- Expired
- May 28, 1990, 1:00 PM CDT
- In force
- 67 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
Counties Hancock County, MS, Pearl River 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
Slidell Radar S, LA (KSIL), launched 12:00Z, 4.9 hours before the alert went out and 40 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
- 1228 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 91 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 281655 SVRMOB MSC045-109-281800- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOBILE AL 1153 AM CDT MON MAY 28 1990 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 100 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHEAST MISSISSIPPI ...HANCOCK COUNTY...PEARL.RIVER COUNTY AT 1155 AM CDT MOBILE RADAR SHOWED A LINE OF STRONG THUNDERSTORMS JUST WEST OF HANCOCK AND PEARL-RIVER COUNTIES OF SOUTHEAST MISSISSIPPI. THE STORMS ARE MOVING TO THE EAST AT 30 MPH. THE STORMS WILL BE EFFECTING PICAYUNE MISSISSIPPI WITHIN THE NEXT 30 MINUTES. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
What forecasters said that day
The local office's own words before this severe thunderstorm 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, May 28, 10:29 AM CDT, 1 hour 24 minutes before
MSZ014-013-281730- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 1027 AM CDT MON MAY 28 1990 ...SEVERE THUNDERSTORM WATCH NUMBER 338 IS IN EFFECT FOR THE FOLLOWING COUNTIES OF SOUTHEAST MISSISSIPPI... JACKSON... HARRISON... HANCOCK... PEARL RIVER... STONE... AND GEORGE UNTIL 1 PM CDT... AT 1030 AM CDT MOBILE RADAR SHOWED A LARGE AREA OF LIGHT TO MODERATE SHOWERS WITH SCATTERED THUNDERSTORMS TRACKING EAST INTO SOUTHEAST MISSISSIPPI FROM LOUISIANA. THE STRONGER STORMS REMAIN WELL TO THE WEST OF SOUTHEAST MISSISSIPPI COUNTIES. THE AREA WAS MOVING EAST AT 30 MPH. THE STRONGER STORMS MAY PRODUCE HEAVY RAINFALL... DANGEROUS LIGHTNING... STRONG GUSTY WINDS... AND THE POSS;IBILITY OF HAIL. RESIDENTS IN OR NEAR THE WATCH AREA SHOULD KEEP ALERT FOR ANY CHANGES IN THE WEATHER AND BE PREPARE TO TAKE NECESSARY ACTION FOR SAFETY.
Special weather statement, May 28, 11:40 AM CDT, 13 minutes before
MSZ014-013-281800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 1140 AM CDT MON MAY 28 1990 ...SEVERE THUNDERSTORM WATCH NUMBER 338 IS IN EFFECT FOR MOST OF SOUTHEAST MISSISSIPPI COUNTIES UNTIL 1 PM CDT... AT 1135 AM CDT MOBILE RADAR SHOWED A LARGE AREA OF LIGHT TO MODERATE SHOWERS WITH SCATTERED THUNDERSTORMS TRACKING EAST INTO SOUTHEAST MISSISSIPPI FROM LOUISIANA. THE STRONGER STORMS WERE JUST WEST OF PEARL RIVER AND HANCOCK COUNTIES IN LOUISIANA. THE STORMS WERE MOVING EAST AT 30 MPH AND WILL BE EFFECTING THESE COUNTIES WITHIN THE HOUR. THE STRONGER STORMS ARE PRODUCE HEAVY RAINFALL... CAUSING BRIEF FLOODING OF LOWLYING AREAS... DANGEROUS LIGHTNING... STRONG GUSTY WINDS... AND SMALL SIZE HAIL. RESIDENTS SHOULD REMAIN ALERT IN OR NEAR THE WATCH AREA FOR CHANGES IN THE WEATHER AND BE PREPARE TO TAKE NECESSARY ACTION FOR SAFETY.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 7:02 PM CDT | Severe Thunderstorm Warning | MOB | Pearl River | 58 min |
| May 27, 7:16 PM CDT | Severe Thunderstorm Warning | MOB | Hancock | 44 min |
| May 27, 8:28 PM CDT | Severe Thunderstorm Warning | MOB | Greene | 32 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 1990Every severe thunderstorm 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.