Alert archive / Minnesota / Flash Flood Warnings in 1990

Flash Flood Warning 2, NWS Twin Cities, MN

June 13, 19904 counties in Minnesota

NWS Twin Cities, MN issued this flash flood warning at Jun 13, 1990, 1:20 AM CDT for 4 counties in Minnesota. It was in force for 115 min.

The area

The counties it named.

The facts

Issued
Jun 13, 1990, 1:20 AM CDT (06:20 UTC)
Expired
Jun 13, 1990, 3:15 AM CDT
In force
115 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

Counties Dodge County, MN, Goodhue County, MN, Olmsted County, MN, Wabasha County, MN

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

Minneapolis, MN (KSTC), launched 00:00Z, 6.3 hours before the alert went out and 111 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, Minneapolis, MN at 00:00Z on 1990-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1326 joules per kilogram.LCLLFCEL10008507005003002001001 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, Minneapolis, MN at 00:00Z on 1990-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -50 square meters per square second.1939587897Sfc1 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
1326 J/kg
Mixed-layer CIN
-36 J/kg
Mixed-layer LCL
1196 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
-50 m²/s²
0-3 km storm-relative helicity
94 m²/s²
Significant tornado parameter
-0.4
Supercell composite
-2.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KRST 130620
FFWRST
MNC049-039-157-109-130815-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
FLASH FLOOD WARNING 
NATIONAL WEATHER SERVICE ROCHESTER MN
120 AM CDT WED JUN 13 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING 
EFFECTIVE UNTIL 315 AM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE SOUTHEAST PART OF MINNESOTA
      SOUTHERN GOODHUE...NORTHERN DODGE...WABASHA...NORTHERN 
      OLMSTED

A FLASH FLOOD WARNING HAS BEEN ISSUED FOR PERSONS IN THE SOUTHEAST
MINNESOTA COUNTIES OF SOUTHERN GOODHUE...NORTHERN DODGE...NORTHERN
OLMSTED...AND ALL OF WABASHA UNTIL 3 15 AM THIS WEDNESDAY MORNING.
THUNDERSTORMS PRODUCING VERY HEAVY RAINS HAVE PERSISTED ACROSS THESE
COUNTY AREAS DURING THE PAST SEVERAL HOURS...AND MORE THUNDERSTORMS
WITH TORRENTIAL RAINS ARE EXPECTED TO CONTINUE AT LEAST THROUGH 3 00
AM.  SOME CITIES IN THE WARNING AREA ARE ZUMBROTA...WEST CONCORD...
PINE ISNALD...ZUMBRO FALLS...THEILMAN...LAKE CITY AND WABASHA.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT. 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.  MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.
DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER
COVERS THE ROADWAY.

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 12, 8:13 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Le Sueur, Nicollet32 min
Jun 12, 8:51 PM CDTSevere Thunderstorm WarningMPXLe Sueur, Rice54 min
Jun 12, 9:43 PM CDTSevere Thunderstorm WarningMPXGoodhue47 min
Jun 12, 11:09 PM CDTSevere Thunderstorm WarningMPXMcLeod, Renville, Sibley51 min
Jun 12, 11:25 PM CDTTornado WarningMPXSibley35 min
Jun 13, 12:21 AM CDTSevere Thunderstorm WarningMPXCarver, McLeod, Scott69 min
Jun 13, 12:21 AM CDTSevere Thunderstorm WarningMPXDakota69 min
Jun 13, 2:05 AM CDTSevere Thunderstorm WarningMPXFreeborn25 min
Jun 13, 2:30 AM CDTSevere Thunderstorm WarningMPXFreeborn, Mower45 min

Nearby

Flash Flood Warnings in Minnesota, 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.