Alert archive / Minnesota / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 32, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 13, 1991, 7:28 PM CDT for Polk County, Red Lake County, Minnesota. It was in force for 32 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
- Jun 13, 1991, 7:28 PM CDT (00:28 UTC)
- Expired
- Jun 13, 1991, 8:00 PM CDT
- In force
- 32 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties
Counties Polk County, MN, Red Lake County, MN
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 13, 7:30 PM CDT | Thunderstorm Wind 0 | Red Lake, 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
Bismarck Municip, ND (KBIS), launched 00:00Z, 0.5 hours before the alert went out and 355 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
- NaN m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- 204 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 13, 2:57 PM CDT, 4 hours 31 minutes before
NDZ012-013-014-015-016-017-018-MNZ001-006-007-010-011-013-132030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FARGO ND 255 PM CDT THU JUN 13 1991 ...SEVERE THUNDERSTORM WATCH FOR CENTRAL AND EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA UNTIL 900 PM CDT... AT 233 PM CDT...INTENSE THUNDERSTORMS HAD DEVELOPED OVER NORTHEAST NORTH DAKOTA AND NORTH CENTRAL MINNESOTA. THE STORMS WERE LOCATED 15 MILES EAST OF DEVILS LAKE NORTH DAKOTA ...AND 20 MILES NORTHEAST OF BEMIDJI MINNESOTA. IN ADDITION TO VERY HEAVY RAIN THESE STORMS COULD PRODUCE FREQUENT LIGHTING STRIKES...HAIL...AND STRONG GUSTY WINDS. MOVEMENT WAS NORTHEAST AT 15 TO 20 MILES AN HOUR. THESE STORMS WILL BE NEAR THE FOLLOWING CITIES AND TOWNS BY 330 PM CDT. IN NORTHEAST NORTH DAKOTA...WHITMAN...ADAMS...AND PARK RIVER. IN NORTH CENTRAL MINNESOTA...NORTHOME...KELLIHOR..AND BLACKDUCK. IF YOU ARE IN OR NEAR ONE OF THE CITIES OR TOWNS MENTIONED...STAY ALERT FOR THE POSSIBILITY OF SEVERE WEATHER AND BE PREPARED TO GO TO A SAFE PLACE IF NEEDED. CONDITIONS ARE RIGHT FOR THE DEVELOPMENT OF SEVERE WEATHER THIS AFTERNOON AND EVENING. KEEP IN MIND THE ABOVE MENTIONED WATCH AND LISTEN TO TV...RADIO...AS WELL AS NOAA WEATHER RADIO FOR FURTHER STATEMENTS AND POSSIBLE WARNINGS. DM
Local storm report, Jun 13, 5:29 PM CDT, 1 hour 59 minutes before
STORM REPORTS
NATIONAL WEATHER SERVICE FARGO ND
525 PM CDT THU JUN 13 1991
TIME EVENT
435 PM CDT NELSON COUNTY SHERIFFS OFFICE REPORTED QUARTER SIZED
HAIL NORTH OF TOLNA NORTH DAKOTA OR 25 MILES SOUTHEAST
OF DEVILS LAKE ND.
450 PM CDT GRAND FORKS AFB PERSONEL REPORTED TORNADO 10 MILES EAST
OF BROCKET ND OR 30 MILES EAST OF DEVILS LAKE ND.
505 PM CDT AIR FORCE MISSLE SILO PERSONEL ON WALSH COUNTY LINE
REPORTED TORNADO 5 MILES NORTHEAST OF BROCKET ND MOVING
NORTHEAST. THEY WERE TAKING SHELTER.
510 PM CDT OBSERVER IN GRIGGS COUNTY NORTH DAKOTA REPORTED 45 MPH
WIND AND PEA SIZED EHAIL AT SUTTON NORTH DAKOTA.
517 PM CDT AIR FORCE MISSLE SILO PERSONEL AT LANGDON NORTH DAKOTA
REPORTED MARBLE SIZED HAIL AND A FUNNEL CLOUD.
ANDERSENSpecial weather statement, Jun 13, 5:41 PM CDT, 1 hour 47 minutes before
NDZ012-013-014-015-016-017-018-MNZ001-006-007-010-011-013-132330- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE FARGO ND 530 PM CDT THU JUN 13 1991 ...A TORNADO WATCH IS IN EFFECT FOR PARTS OF EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA UNTIL 9 PM CDT... A LINE OF INTENSE THUNDERSTORMS EXTENDED FROM 60 MILES NORTHWEST OF GRAND FORKS NORTH DAKOTA SOUTH TO 30 MILES SOUTH OF JAMESTOWN NORTH DAKOTA. THESE THUNDERSTORMS WERE MOVING NORTH AT 20 TO 25 MPH. EARLIER THIS LINE OF THUNDERSTORMS HAD PRODUCED LARGE HAIL AND FUNNEL CLOUDS OVER RAMSEY AND NELSON COUNTIES OF NORTH DAKOTA. PEA TO MARBLE SIZED HAIL AND GUSTY WINDS HAD ALSO BEEN REPORTED NEAR LANGDON...SUTTON AND IN JAMESTOWN NORTH DAKOTA. THIS LINE OF THUNDERSTORMS WAS MOVING SLOW ENOUGH TO PRODUCE SMALL STREAM AND LOW LYING AREA FLOODING. PERSONS IN THE WATCH AREA SHOULD REMAIN ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS. PLEASE STAY TUNED TO YOUR LOCAKL RADIO AND TV STATIONS AND NOAA WEATHER RADIO FOR LATEST INFORMATION ON THESE THUNDERSTORMS. ANDERSEN
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 13, 7:26 PM CDT | Severe Thunderstorm Warning | FGF | Roseau | 64 min |
| Jun 13, 8:37 PM CDT | Severe Thunderstorm Warning | FGF | Roseau | 68 min |
| Jun 13, 9:44 PM CDT | Severe Thunderstorm Warning | FGF | Clay | 61 min |
| Jun 13, 8:03 PM CDT | Tornado Warning | FGF | Barnes | 42 min |
| Jun 13, 8:16 PM CDT | Severe Thunderstorm Warning | FGF | Griggs, Steele | 59 min |
| Jun 13, 8:53 PM CDT | Severe Thunderstorm Warning | FGF | Barnes | 67 min |
| Jun 13, 9:14 PM CDT | Severe Thunderstorm Warning | FGF | Cass | 46 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.