Alert archive / Minnesota / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 95, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 1, 1991, 12:05 AM CDT for Ramsey County, Minnesota. It was in force for 40 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 1, 1991, 12:05 AM CDT (05:05 UTC)
- Expired
- Jul 1, 1991, 12:45 AM CDT
- In force
- 40 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Ramsey County, MN
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 1, 12:40 AM CDT | Thunderstorm Wind 0 | Ramsey, MN |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Minneapolis, MN (KSTC), launched 00:00Z, 5.1 hours before the alert went out and 44 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
- 95 J/kg
- Mixed-layer CIN
- -354 J/kg
- Mixed-layer LCL
- 659 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 390 m²/s²
- 0-3 km storm-relative helicity
- 500 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 10.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMSP 010506 SVRMSP MNC019-053-123-139-010545- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MINNEAPOLIS MN 1205 AM CDT MON JUL 1 1991 THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1245 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL MINNESOTA ...EASTERN CARVER COUNTY...SOUTHEASTERN HENNEPIN COUNTY ...RAMSEY COUNTY...NORTHERN SCOTT COUNTY AT 1201 AM CDT...A BAND OF SEVERE THUNDERSTORMS EXTENDED FROM COON RAPIDS TO JUST WEST OF DOWNTOWN MINNEAPOLIS TO CHASKA AND JORDAN. MOVEMENT WAS EAST AT 30 MILES AN HOUR. CITIES IN THE PATH OF THESE STORMS INCLUDE MINNEAPOLIS...ST PAUL... CHASKA AND SHOKOPEE. WIND GUST TO 60 MILES AN HOUR HAVE BEEN REPORTED WITH THE STORMS. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
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, Jun 30, 9:48 PM CDT, 2 hours 17 minutes before
MNZ010-011-012-013-014-015-016-017-018-WIZ003-006-010345- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 948 PM CDT SUN JUN 30 1991 ...STRONG THUNDERSTORM CONTINUE TO ADVANCE EAST ACROSS SOUTHERN AND CENTRAL MINNESOTA... A LINE OF WIDESPREAD THUNDERSTORMS...SOME WITH GUSTY WINDS AND VERY HEAVY RAINS AS WELL AS POSSIBILY SOME SMALL HAIL CONTINUED TO PUSH EAST AROUND 25 MPH ACROSS SOUTHERN AND CENTRAL MINNESOTA. SOME OF THE STRONGER THUNDERSTORMS WERE CONCENTRATED ABOUT 75 MILES WEST NORTHWEST OF THE TWIN CITIES. THE LEADING EDGE OF THESE STRONGER STORMS RAN FROM LONG PRAIRIE TO LITCHFIELD TO FAIRFAX. WILLMAR REPORTED WINDS IN EXCESS OF 40 MPH AROUND 9PM. GENERAL SHOWERS AND THUNDERSTORMS WERE DETECTED AS FAR NORTH AS BEMIDJI AND SOUTH INTO NORTHWEST IOWA. OTHER SCATTERED SHOWERS AND THUNDERSTORMS WERE IN NORTHWEST WISCONSIN IN THE GRANTSBURG..MINONG..HAWARD AREA. REMEMBER THAT A SEVERE THUNDERSTOPRM WATCH REMAINS IN EFFECT UNTIL 2AM FOR MUCH OF THE SOUTERN HALF OF MINNESOTA. PAULSON
Special weather statement, Jun 30, 10:17 PM CDT, 1 hour 48 minutes before
MNZ012-014-015-016-010415- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 1016 PM CDT SUN JUN 30 1991 ...STRONG THUNDERSTORMS MOVING INTO WRIGHT AND MC CLEOD COUNTIES... AT 1015 PM...NATIONAL WEATHER SERVICE RADAR WAS SHOWING AN AREA OF THUNDERSTORMS BEGINNING TO MOVE INTO EXTREME WESTERN SECTIONS OF WRIGHT AND MC CLEOD COUNTY...WEST OF COKATO TO HUTCHINSON. THE STORMS WERE MOVING EAST AT 30 MILES AN HOUR. PRESENT MOVEMENT WOULD BRING THE THUNDERSTORMS TO A LINE FROM BUFFALO TO LESTER PRARIE BY 11 PM. THESE STORMS COULD PRODUCE STRONG WIND GUSTS IN EXCESS OF 50 MILES AN HOUR AND BLINDING RAIN. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 2 AM MONDAY qMORNING OVER SOUTHERN MINNESOTA. KEEP AN EYE TO THE SKY AND PREPARE TO MOVE INDOORS IF THREATENING WEATHER APPROACHES YOUR AREA. DWE
Special weather statement, Jun 30, 10:47 PM CDT, 1 hour 18 minutes before
MNZ012-014-015-016-010445- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 1045 PM CDT SUN JUN 30 1991 ...STRONG THUNDERSTORMS WERE MOVING THROUGH CENTRAL MINNESOTA JUST WEST OF THE TWIN CITIES... AT 1030 PM...THUNDERSTROMS WITH INTENSE RAINSHOWERS...SMALL HAIL AND BRIEF BUT STRONG WIND GUSTS...WERE CONCENTRATED OVER CENTRAL MINNESOTA. THE STRONGEST WERE LOCATED FROM AROUND OLIVIA NORTH THROUGH LITCHFIELD AND BUFFALO UP TOWARD FOLEY. THESE STORMS WERE PART OF A LARGE AREA OF SHOWERS AND THUNDERSTORMS DETECTED ACROSS CENTRAL MINNESOTA...FROM GRAND RAPIDS SOUTH THROUGH LAKE MILLE LACS... ST CLOUD AND REDWOOD FALLS DOWN TO THE IOWA BORDER SOUTH OF JACKSON. MOVEMENT WAS TO THE NORTHEAST AT 30 MILES AN HOUR...IF THE STORMS CONTINUE THIS PRESENT MOVEMENT THEY WILL MOVE THROUGH ST CLOUD...AND ELK RIVER BY...1130 PM. BE PREPARED TO MOVE INDOORS IF THREATENING WEATHER APPROACHES YOUR AREA. DWE
Special weather statement, Jun 30, 11:22 PM CDT, 43 minutes before
MNZ014-012-010530- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST CLOUD MINNESOTA 1122 PM CDT SUN JUN 30 1991 ...THUNDERSTORMS WITH HEAVY RAINS WERE MOVING ACROSS EAST CENTRAL MINNESOTA... ...A SEVERE THUNDERSTORM WATCH CONTINUES UNTIL 2 AM CDT FOR PARTS OF OF CENTRAL MINNESOTA... AT 1120 PM CDT THUNDERSTORMS WITH HEAVY RAINFALL AND DANGEROUS LIGHTNING WERE LOCATED FROM 11 MILES NORTHEAST OF ST CLOUD...SOUTH TO BECKER AND EAST TO ELK RIVER. THE STORMS WERE PRODUCING RAINS OF A HALF INCH TO AN INCH IN LESS THAN AN HOUR. THE THUNDERSTORMS WERE MOVING EAST AT 30 MPH AND WILL MOVE ACROSS THE SHERBURNE WILDLIFE REFUGE AND PRINCETON MINNESOTA BETWEEN 1125 AND 1140 PM CDT. THE THUNDERSTORM DOWNPOURS WILL REDUCE VISIBILITIES TEMPORARILY AND MOTORISTS SHOULD SLOW THEIR VEHICLE SPEEDS OR PULL OVER FOR A SHORT TIME. THE THUNDERSTORMS WILL CAUSE SOME PONDING OF WATER AND WILL FLOOLOW LYING AREAS AND SOME ROADWAYS AS THEY PASS. THE THUNDERSTORMS HAVE PRODUCED FREQUENT DANGEROUS LIGHTNING STRIKES...PLEASE STAY INDOORS AWAY FROM WINDOWS OR STAY IN YOUR AUTOMOBILE. NNNN
Special weather statement, Jul 1, 12:00 AM CDT, 5 minutes before
MNZALL-290500-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
1155 PM CDT FRI JUN 28 1991
THE NATIONAL WEATHER SERVICE HAS CLEARED A PART OF SEVERE THUNDERSTORM
WATCH NUMBER 628.
THE SEVERE THUNDERSTORM WATCH IS NO LONGER IN EFFECT WEST OF A LINE
FROM ABOUT WILLMAR TO JACKSON.
THE FOLLOWING COUNTIES ARE NO LONGER IN THE SEVERE THUNDERSTORM WATCH.
WESTCENTRAL........LAC QUI PARLE..CHIPPEWA..YELLOW MEDICINE.
CENTRAL.............SOUTHERN STEARNS..KANDIYOHI..MEEKER..
RENVILLE..Special weather statement, Jul 1, 12:03 AM CDT, 2 minutes before
MNZALL-290500-
SPECIAL WEATHER STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
1155 PM CDT FRI JUN 28 1991
THE NATIONAL WEATHER SERVICE HAS CLEARED A PART OF SEVERE THUNDERSTORM
WATCH NUMBER 628.
THE SEVERE THUNDERSTORM WATCH IS NO LONGER IN EFFECT WEST OF A LINE
FROM ABOUT WILLMAR TO JACKSON.
THE FOLLOWING COUNTIES ARE NO LONGER IN THE SEVERE THUNDERSTORM WATCH.
WESTCENTRAL........LAC QUI PARLE..CHIPPEWA..YELLOW MEDICINE.
CENTRAL.............SOUTHERN STEARNS..KANDIYOHI..MEEKER..
RENVILLE..
SOUTHWEST..........LINCOLN..LYON..REDWOOD..PIPESTONE..MURRAY..
COTTONWOOD..ROCK..NOBLES..JACKSON..The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 30, 7:44 PM CDT | Tornado Warning | MPX | Lac qui Parle | 31 min |
| Jun 30, 7:59 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa | 46 min |
| Jun 30, 9:45 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Kandiyohi | 36 min |
| Jun 30, 11:08 PM CDT | Severe Thunderstorm Warning | MPX | Carver, Hennepin, Wright | 37 min |
| Jul 1, 12:05 AM CDT | Severe Thunderstorm Warning | MPX | Carver, Hennepin, Scott | 40 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 1991Every severe thunderstorm 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.