Alert archive / Mississippi / Flash Flood Warnings in 1990

Flash Flood Warning 6, NWS Mobile, AL

March 16, 1990Mobile County, Alabama; George County, Jackson County, Mississippi

NWS Mobile, AL issued this flash flood warning at Mar 16, 1990, 2:56 AM CST for Mobile County, Alabama; George County, Jackson County, Mississippi. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Mar 16, 1990, 2:56 AM CST (08:56 UTC)
Expired
Mar 16, 1990, 6:00 AM CST
In force
3 hr
Issued by
NWS Mobile, AL
Area
Whole counties

Counties Mobile County, AL, George County, MS, Jackson 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 00:00Z, 8.9 hours before the alert went out and 125 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.

Skew-T log-pSkew-T log-p diagram, Slidell Radar S, LA at 00:00Z on 1990-03-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Slidell Radar S, LA at 00:00Z on 1990-03-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 171 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
648 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
171 m²/s²
0-3 km storm-relative helicity
419 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KMOB 160858
FFWMOB
ALC097-MSC039-059-161200-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
256 AM CST FRI MAR 16 1990
 
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  600 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHWEST ALABAMA
 
   ...MOBILE COUNTY
 
 
IN SOUTHEAST MISSISSIPPI
 
   ...EASTERN GEORGE COUNTY...EASTERN JACKSON COUNTY
 
THUNDERSTORMS WITH TORRENTIAL RAINFALL HAVE BEEN MOVING NORTHEAST
ACROSS EASTERN JACKSON AND EASTERN GEORGE COUNTIES OF SOUTHEAST
MISSISSIPPI AND MOBILE COUNTY OF SOUTHWEST ALABAMA. SINCE MIDNIGHT THE
TRACK OF THE STORMS HAS MOVED ONLY ABOUT 10 MILES EAST.
 
MISSISSIPPI HIGHWAY 613 NEAR HURLEY MISSISSIPPI IS UNDER WATER.
STREET FLOODING IS OCCURRING IN MOBILE ALABAMA.
 
IN THE PAST HOUR MOBILE AIRPORT HAS RECEIVED OVER TWO INCHES OF RAIN
WITH TORRENTIAL RAINFALL STILL OCCURRING. PARTS OF THE WARNED COUNTIES
MAY HAVE HAD OVER 5 INCHES OF RAIN SINCE MIDNIGHT.
 
PERSONS IN FLASH FLOOD PRONE AREAS SHOULD TAKE ACTIONS NOW TO SAVE
LIVES AND PROPERTY.
 
MOTORISTS SHOULD NOT DRIVE BUT SHOULD PARK THEIR VEHICLES IN A SAFE
PLACE UNTIL THE RAINFALL SLACKENS.
 
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASH FLOODS.  IF FLASH FLOODING IS
OBSERVED...ACT QUICKLY.  MOVE UP TO ESCAPE FLOOD WATERS.  DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 16, 3:35 AM CSTFlash Flood WarningMOBAutauga, Elmore, Montgomery115 min
Mar 16, 3:35 AM CSTFlash Flood WarningMOBDallas, Lowndes115 min
Mar 16, 4:03 AM CSTFlash Flood WarningMOBCoosa117 min
Mar 16, 4:03 AM CSTFlash Flood WarningMOBWilcox117 min
Mar 16, 5:37 AM CSTFlash Flood WarningMOBAutauga, Lowndes, Montgomery2 hr
Mar 16, 5:37 AM CSTFlash Flood WarningMOBDallas2 hr
Mar 16, 5:37 AM CSTFlash Flood WarningMOBCoosa2 hr
Mar 16, 6:07 AM CSTFlash Flood WarningMOBMobile3 hr
Mar 16, 6:14 AM CSTSevere Thunderstorm WarningMOBConecuh61 min
Mar 16, 7:38 AM CSTFlash Flood WarningMOBCoosa, Elmore, Tallapoosa2 hr
Mar 16, 7:38 AM CSTFlash Flood WarningMOBAutauga, Lowndes, Montgomery2 hr
Mar 16, 7:38 AM CSTFlash Flood WarningMOBDallas2 hr
Mar 16, 8:39 AM CSTFlash Flood WarningMOBCovington2 hr
Mar 16, 8:39 AM CSTFlash Flood WarningMOBPike2 hr
Mar 16, 8:49 AM CSTFlash Flood WarningMOBBullock116 min
Mar 16, 9:15 AM CSTFlash Flood WarningMOBBaldwin, Mobile3 hr
Mar 16, 10:46 AM CSTFlash Flood WarningMOBWashington3 hr
Mar 16, 10:48 AM CSTFlash Flood WarningMOBCovington, Crenshaw, Pike117 min
Mar 16, 10:57 AM CSTSevere Thunderstorm WarningMOBMobile33 min
Mar 16, 11:40 AM CSTFlash Flood WarningMOBCrenshaw2 hr
Mar 16, 12:13 PM CSTFlash Flood WarningMOBBaldwin6 hr
Mar 16, 12:13 PM CSTFlash Flood WarningMOBMobile5 hr
Mar 16, 12:50 PM CSTFlash Flood WarningMOBConecuh, Escambia, Monroe4 hr
Mar 16, 12:50 PM CSTFlash Flood WarningMOBClarke, Washington4 hr
Mar 16, 1:12 PM CSTFlash Flood WarningMOBAutauga, Dallas, Elmore, Lowndes, Montgomery3 hr
Mar 16, 1:12 PM CSTFlash Flood WarningMOBButler3 hr
Mar 16, 2:52 PM CSTSevere Thunderstorm WarningMOBBullock, Pike68 min
Mar 16, 3:17 PM CSTSevere Thunderstorm WarningMOBLee, Macon58 min
Mar 16, 3:27 PM CSTFlash Flood WarningMOBBullock, Pike2 hr
Mar 16, 3:27 PM CSTFlash Flood WarningMOBMacon2 hr
Mar 16, 3:35 PM CSTSevere Thunderstorm WarningMOBBarbour55 min
Mar 16, 4:27 PM CSTSevere Thunderstorm WarningMOBCoffee63 min
Mar 16, 4:59 PM CSTFlash Flood WarningMOBBarbour, Pike2 hr
Mar 16, 4:59 PM CSTFlash Flood WarningMOBCoffee, Covington2 hr
Mar 16, 5:11 PM CSTFlash Flood WarningMOBChambers, Lee, Tallapoosa2 hr
Mar 16, 5:46 PM CSTSevere Thunderstorm WarningMOBBarbour59 min
Mar 16, 10:34 AM CSTSevere Thunderstorm WarningMOBJackson41 min
Mar 16, 12:50 PM CSTFlash Flood WarningMOBJackson4 hr

Nearby

Flash Flood Warnings in Mississippi, 1990Flash Flood Warnings in Alabama, 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.