Alert archive / Minnesota / Flash Flood Warnings in 1991
Flash Flood Warning 5, NWS Twin Cities, MN
NWS Twin Cities, MN issued this flash flood warning at Jun 4, 1991, 7:28 AM CDT for Blue Earth County, Minnesota. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jun 4, 1991, 7:28 AM CDT (12:28 UTC)
- Expired
- Jun 4, 1991, 10:00 AM CDT
- In force
- 3 hr
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Blue Earth County, MN
The nearest sounding before it
Minneapolis, MN (KSTC), launched 12:00Z, 0.5 hours before the alert went out and 98 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
- 1381 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 99 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 KRST 041228 RRA FFWRST MNC013-041500- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE ROCHESTER MN 728 AM CDT TUE JUN 4 1991 THE NATIONAL WEATHER SERVICE IN ROCHESTER MN HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 1000 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL MINNESOTA ...BLUE EARTH COUNTY MORE HEAVY RAIN IS DEVELOPING TO THE SOUTHWEST OF BLUE EARTH COUNTY AS OF 720 AM CDT. THIS HEAVIER RAIN WAS GENERALLY SOUTH OF A LINE FROM ALBERT LEA TO ELMORE...ALONG THE IOWA BORDER IN FARIBAULT COUNTY. THIS HEAVIER RAIN WAS SLIDING TO THE NORTHWEST AROUND 15 MPH AND SHOULD MOVE INTO THE SOUTHERN FRINGES OF THE COUNTY BY 830AM CDT. THIS HEAVIER RAIN ADDED TO THE COPIUS AMOUNTS OF RAIN WHICH FELL OVERNIGHT WILL ONLY MAKE FLOODING PROBLEMS WORSE...ESPECIALLY IN THE SOUTHERN HALF OF THE COUNTY WHERE ANYWHERE FROM 3 TO POSSIBLY 13 INCHES OF RAIN FELL OVERNIGHT. UNOFFICIALLY 12 TO 13 INCHES OF RAIN FELL IN AMB WHICH IS 20 MILES TO THE SOUTHWEST OF MANKATO. REMEMBER A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND. MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT.
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
Special weather statement, Jun 4, 1:45 AM CDT, 5 hours 43 minutes before
MNZ-ALL 040800 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 145 AM CDT TUE JUN 4 1991 ...STEADY HEAVY RAINFALL CONTINUES IN SOUTHERN MINNESOTA... ...FLASH FLOOD WATCH IN EFFECT FOR SOUTHWEST MINNESOTA TONIGHT... ...FLASH FLOOD WARNING FOR YELLOW MEDICINE COUNTY UNTIL 415 AM CDT... AT 135 AM...A BROAD AREA OF STEADY RAIN AND NUMEROUS THUNDERSTORMS WITH HEAVY RAINSHOWERS CONTINUED TO DRIFT SLOWLY NORTHWARD OVER...THE SAME PARTS OF SOUTH CENTRAL AND SOUTHWEST MINNESOTA. THE HEAVIEST RAIN WAS FALLING OVER SOUTH CENTRAL MINNESOTA BETWEEN BLUE EARTH AND ST JAMES. MANY THUNDERSTORMS WITH VERY HEAVY RAINFALL HAVE ALREADY DRENCHED MUCH OF THIS AREA SINC...MONDAY AFTERNOON. STANDING WATER AND FLOODED BASEMENTS HAVE BEEN REPORTED. IF YOU LIVE IN THE PRE-SOAKED AREAS...BE PREPARED TO MOVE TO A PLACE OF SAFETY...IN CASE OF FLOODING. THE GENERAL RAIN AREA WAS 60 MILES WIDE AND HAS NOT MOVED FOR HOURS...IT WAS RAINING ALONG OR NORTH OF A LINE FROM JACKSON TO MARSHALL TO MADISON AND ALONG OR SOUTH OF A LINE FROM...WILLMAR TO MANKATO TO ALBERT LEA < MOVEMENT OF THE SHOWRERS WAS TO THE NORTHWEST AT 10 MPH. THE RAIN IS EXPECTED TO CONTINUE THROUGH THE NIGHT OVER MUCH OF TH8IS SAME GENERAL AREA OF SOUTHERN MINNESOTA.
Special weather statement, Jun 4, 2:41 AM CDT, 4 hours 47 minutes before
MNZ-ALL 040800 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 235 AM CDT TUE JUN 4 1991 ...STEADY HEAVY RAINFALL CONTINUES IN SOUTHERN MINNESOTA... ...FLASH FLOOD WATCH IN EFFECT FOR SOUTHWEST MINNESOTA TONIGHT... ...FLASH FLOOD WARNING FOR YELLOW MEDICINE COUNTY UNTIL 415 AM CDT... AT 230 AM...A BROAD AREA OF STEADY RAIN AND NUMEROUS THUNDERSTORMS WITH HEAVY RAINSHOWERS CONTINUED TO DRIFT SLOWLY NORTHWARD OVER...THE SAME PARTS OF SOUTH CENTRAL AND SOUTHWEST MINNESOTA. THE HEAVIEST RAIN WAS FALLING OVER SOUTH CENTRAL MINNESOTA BETWEEN BLUE EARTH AND NEW ULM. MANY THUNDERSTORMS WITH VERY HEAVY RAINFALL HAVE ALREADY DRENCHED MUCH OF THIS AREA SINCE..MONDAY AFTERNOON. STANDING WATER AND FLOODED BASEMENTS HAVE BEEN REPORTED. IF YOU LIVE IN THE PRE-SOAKED AREAS...BE PREPARED TO MOVE TO A PLACE OF SAFETY...IN CASE OF FLOODING. THE GENERAL RAIN AREA WAS 60 MILES WIDE AND HAS NOT MOVED FOR HOURS...IT WAS RAINING ALONG OR NORTH OF A LINE FROM JACKSON TO MARSHALL TO MADISON AND ALONG OR SOUTH OF A LINE FROM...WILLMAR TO MANKATO TO ALBERT LEA < MOVEMENT OF THE SHOWRERS WAS TO THE NORTHWEST AT 15 MPH. THE RAIN IS EXPECTED TO CONTINUE THROUGH THE NIGHT OVER MUCH OF THIuS SAME GENERAL AREA OF SOUTHERN MINNESOTA.
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 3, 10:42 PM CDT | Flash Flood Warning | MPX | Martin | 78 min |
| Jun 3, 11:20 PM CDT | Flash Flood Warning | MPX | Yellow Medicine | 5 hr |
| Jun 4, 12:00 AM CDT | Flash Flood Warning | MPX | Martin | 60 min |
| Jun 4, 5:14 AM CDT | Flash Flood Warning | MPX | Blue Earth | 106 min |
Nearby
Flash Flood Warnings in Minnesota, 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.