Alert archive / Minnesota / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 95, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 26, 1987, 9:24 AM CDT for Wright County, Minnesota. It was in force for 36 min. 2 reports 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 26, 1987, 9:24 AM CDT (14:24 UTC)
- Expired
- Jul 26, 1987, 10:00 AM CDT
- In force
- 36 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Wright County, MN
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 26, 9:30 AM CDT | Thunderstorm Wind 0 | Wright, MN | |
| Jul 26, 9:45 AM CDT | Thunderstorm Wind 0 | Wright, 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 12:00Z, 2.4 hours before the alert went out and 46 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
- 438 J/kg
- Mixed-layer CIN
- -260 J/kg
- Mixed-layer LCL
- 966 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 215 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 10.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMSP 261424 SVRMSP MNC171-261500- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MINNEAPOLIS MN 924 AM CDT SUN JUL 26 1987 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1000 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTY OF CENTRAL MINNESOTA... WRIGHT AT 920 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM OVER ANNANDALE. STRONG WINDS BENDING TREES TO THE GROUND HAVE BEEN REPORTED AT ANNANDALE. ALSO FUNNEL REPORTS HAVE BEEN REPORTED NEAR MONTICELLO. THE SEVERE THUNDERSTORM IS MOVING TO THE SOUTHEAST AT 35 MPH. ALSO BRIEF TORRENTIAL RAINS CAN BE EXPECTED TO CAUSE LOCAL FLOODING IN LOW LYING AREAS. REMEMBER SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MPH..DESTRUCTIVE HAIL..DEADLY LIGHTNING AND VERY HEAVY RAIN. ALSO SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE A TORNADO WITH LITTLE OR NO ADVANCE WARNING..SO BE ON THE LOOKOUT AND BE PREPARED TO MOVE TO A PLACE OF SAFETY IF ONE IS SPOTTED. BRANCH
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, Jul 26, 5:44 AM CDT, 3 hours 40 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST. CLOUD MN 545 AM CDT SUN JUL 26 1987 ...THUNDERSTORMS WERE MOVING TOWARD MILLE LACS LAKE... AT 540 AM CDT THUNDERSTORMS WERE MOVING TOWARD MILLE LACS LAKE AT ABOUT 25 MPH...AND WILL BE AFFECTING THE LAKE AREA FROM ABOUT 600 AM CDT TO 730 AM CDT. NO SEVERE WEATHER HAS BEEN REPORTED AT THIS TIME OR IS INDICATED ON RADAR. HOWEVER...THESE THUNDERSTORMS MAY PRODUCE GUSTY WINDS AND FREQUENT LIGHTING STRIKES...BOATERS...FISHERPERSONS...AND OTHERS ENGAGING IN OUTDOOR ACTIVITIES IN THE AFFECTED AREA SHOULD TAKE NECESSARY PRECAUTIONS. RUBIN
Local storm report, Jul 26, 7:08 AM CDT, 2 hours 16 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
700 AM CDT SUN JUL 26 1987
...ATTN SELS A MSP...
JUL 25/2337 CDT...ANOKA COUNTY MN. TREES KNOCKED OVER BETWEEN 89TH AND
93RD ALONG EAST RIVER ROAD IN COON RAPIDS.
JUL 26/0000 CDT...ST CROIX COUNTY WI. BASEBALL SIZE HAIL JUST NORTH OF
BALDWIN AND HAMMOND.
SCATTERED AREAS OF LIGHTNING DAMAGE AROUND MSP AND STP INCLUDING
REPORTS FROM PIERCE CO...ANOKA CO AND CARVER CO.
WJHLocal storm report, Jul 26, 8:22 AM CDT, 1 hour 2 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST CLOUD, MN
815 AM CDT SUN JUL 26 1987
...ATTN SELS...
HEAVY RAINFALL REPORTS IN CENTRAL MINNESOTA
6:52 AM CDT 1.50 INCHES OF RAIN IN 20 MINUTES NORTH OF ST FRANCIS
MINNESOTA...24 MILES NORTHWEST OF ST. CLOUD IN EXTREME
NORTH-CENTRAL STEARNS COUNTY OF MINNESOTA. SMALL HAIL
WAS ALSO OBSERVED ALONG WITH THE RAIN.
6:55 AM CDT 1.75 INCHES O=F RAIN IN ONE HALF HOUR ALONG WITH SMALL
HAIL IN HOLDINGFORD MINNESOTA...17 MILES NORTHWEST OF
ST. CLOUD. HOLDINGFORD IS LOCATED IN NORTHEAST
STEARNS COUNTY OF MINNESOTA.
TRIPLETTSpecial weather statement, Jul 26, 8:41 AM CDT, 43 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST. CLOUD MN 835 AM CDT SUN JUL 26 1987 ...VERY THUNDERSTORMS MOVING THRU CENTRAL MINNESOTA... AT 830 AM CDT THIS SUNDAY MORNING VERY HEAVY THUNDERSTORMS COVERED CENTRAL AND EASTERN STEARNS COUNTY...BENTON COUNTY...NORTHWESTERN SHERBURNE COUNTY...WERE MOVING SOUTHEAST AT 25 MPH. THESE THUNDERSTORMS HAVE A PST HISTORY OF PRODUCING HEAVY RAIN IN EXCESS OF 1 AND 1 HALF INCHES ALONG WITH SMALL HAIL AND BRIEF GUSTY WINDS. PERSONS LIVING IN LOW AREAS CAN EXPECT SOME LOCAL FLOODING. NO SEVERE WEATHER HAS BEEN REPORTED AT THIS TIME OR IS INDICATED ON RADAR. HOWEVER...THESE THUNDERSTORMS MAY PRODUCE GUSTY WINDS AND FREQUENT LIGHTING STRIKEPS...BOATERS...FISHERPERSONS...AND OTHERS ENGAGING IN OUTDOOR ACTIVITIES IN THE AFFECTED AREA SHOULD TAKE NECESSARY PRECAUTIONS. RUBIN/TRIPLETT
Special weather statement, Jul 26, 8:59 AM CDT, 25 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 850 AM CDT SUN JUL 26 1987 AT 835 AM CDT...VERY INTENSE THUNERSTORMS WITH VERY HEAVY RAIN WERE INCREASING OVER CENTRAL MINNESOTA OVER SOUTHERN TODD...STEARNS...MILLE LACS...BENTON AND NORTHERN SHERBURNE COUNTIES FROM THE SOUTH END OF MILLE LACS LAKE TO JUST ORTHWEST OF PRINCETON TO NEAR SAUK CENTRE. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING EXTREMELY HEAVY RAIN WHICH WILL CAUSE LOCAL FLOODING IN LOW LYING AREAS AND OVER ALREADY SATURATED SOILS ALONG WITH THE POSSIBILITY OF LARGE HAIL AND DEADLY LIGHTNING AS THEY MOVE SOUTHEAST AT 35 MILES AN HOUR. WITH THE PRESENT MOVEMENT...THE TWIN CIrTIES CAN EXPECTED THESE INTENSE THUNDERSTORMS TO ENTER THE NORTHERN SUBURBS BY 930 AM. DAP
Special weather statement, Jul 26, 9:24 AM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 922 AM CDT SUN JUL 26 1987 ...THUNDERSTORMS WITH VERY HEAVY RAINS HEADED FOR THE TWIN CITIES... AT 915 AM CDT...THUNDERSTORMS WITH VERY HEAVY RAINS WERE LOCATED ALONG THE MISSISSIPPI RIVER IN SHERBURNE...STEARNS...NORTHERN WRIGHT AND NORTHERN MEEKER COUNTIES. THE HEAVIEST RAINFALL WAS OCCURRING FROM ELK RIVER TO ANNANDALE TO WATKIN OR ABOUT 30 TO 60 MILES NORTHWEST OF THE TWIN CITIES. THESE STORMS WERE MOVING TO THE SOUTHEAST AT 35 MILES AN HOUR AND WILL BE MOVING INTO THE NORTHERN SUBURBS OF THE TWIN CITIES BY 930 AM AND THROUGH THE TWIN CITIES METRO AREA BETWEEN 930 AND 11 AM CDT. VERY HEAVY RAINFALL FROM AN INCH TO AN INCH AND ONE HALF HAVE BEEN REPORTED WITH THESE STORMS ALONG WITH BRIEF GUSTY WINDS AND SMALL HAIL. < PERSONS IN THE TWIN CITIES AREA LIVING NEAR SMALL CREEKS THAT ARE NEAR BANKFUL OR LOW LYING AREAS ALREADY INUNDATED WITH WATER SHOULD SEEK A SAFER PLACE IMMEDIATELY. JHM
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 11:13 PM CDT | Severe Thunderstorm Warning | MPX | McLeod, Meeker, Renville | 47 min |
| Jul 26, 12:17 AM CDT | Severe Thunderstorm Warning | MPX | Stearns | 58 min |
| Jul 26, 2:14 AM CDT | Severe Thunderstorm Warning | MPX | McLeod | 26 min |
| Jul 26, 2:14 AM CDT | Severe Thunderstorm Warning | MPX | Carver | 46 min |
| Jul 26, 3:09 AM CDT | Severe Thunderstorm Warning | MPX | Wabasha, Winona | 21 min |
| Jul 26, 3:31 AM CDT | Severe Thunderstorm Warning | MPX | Wabasha, Winona | 29 min |
| Jul 26, 6:17 AM CDT | Severe Thunderstorm Warning | MPX | Morrison, Stearns, Todd | 58 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 1987Every severe thunderstorm warning in 1987
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.