Alert archive / Minnesota / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 105, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 28, 1997, 11:27 AM CDT for Wilkin County, Minnesota. It was in force for 33 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 28, 1997, 11:27 AM CDT (16:27 UTC)
- Expired
- Jun 28, 1997, 12:00 PM CDT
- In force
- 33 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties
County Wilkin County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 146 km from the middle of the area, began a volume at 16:29 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 28, 9:00 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 12:00Z, 4.5 hours before the alert went out and 221 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
- 3944 J/kg
- Mixed-layer CIN
- -170 J/kg
- Mixed-layer LCL
- 854 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- -36 m²/s²
- 0-3 km storm-relative helicity
- 51 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KFAR 281629 RRA SVRFAR MNC167-281700- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 1127 AM CDT SAT JUN 28 1997 THE NATIONAL WEATHER SERVICE IN EASTERN ND/GRAND FORKS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL NOON CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN WEST CENTRAL MINNESOTA ...WILKIN COUNTY AT 1126 AM CDT RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES NORTH OF WAHPETON MOVING EAST AT 25 MPH. THIS STORM WILL AFFECT THE TOWNS BRECKENRIDGE AND ROTHSAY. IF YOU ARE IN THE PATH OF THIS STORM GO TO A SAFE SHELTER NOW. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. KENNEDY
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.
NWS Grand Forks, ND wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 28, 10:08 AM CDT, 1 hour 19 minutes earlier.
Area forecast discussion, Jun 28, 10:08 AM CDT, 1 hour 19 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 1007 AM CDT SAT JUN 28 1997 SVR WX KEEPING US HOPPING...NO TIME TO GET INTO DATA. CURRENT SVR TSTM WATCH BOX STILL LOOKING GOOD AS SVRL AREAS OF TSTMS DVLPG. WATCH BOX AREA STILL HAS GOOD POOLING OF DWPTS ALG WITH SVRL BOUNDARIES FROM PRVS CONVECTION...SHOULD KEEP US BUSY FOR NXT SVRL HOURS. OTHER CONCERN IS FLASH FLOOD WATCH AREA. WE EXTENDED WATCH TO COVER W CNTRL MN WHERE CONVECTION IS PRESENTLY FIRING AND WHERE 3 HR FFG SHOWS 2 INCHES OR LESS. ZONES LOOK GOOD FOR NOW...NO BIG CHANGES PLANNED. STRAGER
In the hours before
Special weather statement, Jun 28, 6:30 AM CDT, 4 hours 57 minutes before
MNZ001>009-013>017-022>024-027>032-040-NDZ006>008-014>016-024- 026>030-038-039-049-052-053-291200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 630 AM CDT SAT JUN 28 1997 ..THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS ACROSS EASTERN NORTH DAKOTA...NORTHWEST AND WEST CENTRAL MINNESOTA STARTING THIS AFTERNOON... AN AREA OF LOW PRESSURE...CENTERED IN EASTERN SOUTH DAKOTA...HAS AN ASSOCIATED WARM FRONT WHICH EXTENDS ACROSS CENTRAL MINNESOTA. THIS LOW WILL REMAIN FAIRLY STATIONARY TODAY...PROVIDING PLENTY OF MOISTURE TO THE REGION AND THE WARM FRONT WILL BE THE FOCUS FOR THUNDERSTORM DEVELOPMENT. AS A RESULT...THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS SOUTH OF A NEW ROCKFORD TO GRAND FORKS TO BEMIDJI LINE TODAY AND TONIGHT. LARGE HAIL AND DAMAGING WINDS ARE THE MAIN SEVERE WEATHER THREATS. IN ADDITION...THE POTENTIAL FOR HEAVY RAINFALL CONTINUES THROUGH TODAY WITH A FLASH FLOOD WATCH IN EFFECT FOR TODAY FOR PORTIONS OF EASTERN NORTH DAKOTA AND NORTHWESTERN MINNESOTA. THE FLASH FLOOD WATCH INCLUDES THE CITIES OF WAHPETON...VALLEY CITY...MAYVILLE...GARND FORKS...THIEF RIVER FALLS...BEMIDJI AND CROOKSTON. AN UPDATED HAZARDOUS WEATHER OUTLOOK WILL BE ISSUED THIS AFTERNOON IF CONDITIONS WARRANT. NG
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 27, 7:04 PM CDT | Severe Thunderstorm Warning | FGF | Marshall | 41 min |
| Jun 27, 7:27 PM CDT | Severe Thunderstorm Warning | FGF | Roseau | 33 min |
| Jun 27, 7:32 PM CDT | Severe Thunderstorm Warning | FGF | Lake of the Woods | 28 min |
| Jun 27, 7:43 PM CDT | Severe Thunderstorm Warning | FGF | Marshall | 47 min |
| Jun 27, 8:03 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami | 42 min |
| Jun 27, 8:49 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami | 26 min |
| Jun 27, 9:31 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami | 44 min |
| Jun 27, 10:11 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami | 49 min |
| Jun 27, 10:32 PM CDT | Severe Thunderstorm Warning | FGF | Marshall | 28 min |
| Jun 27, 10:49 PM CDT | Severe Thunderstorm Warning | FGF | Clearwater | 26 min |
| Jun 27, 10:58 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami | 47 min |
| Jun 27, 11:15 PM CDT | Severe Thunderstorm Warning | FGF | Clearwater, Polk | 30 min |
| Jun 27, 11:48 PM CDT | Severe Thunderstorm Warning | FGF | Clearwater | 27 min |
| Jun 27, 11:54 PM CDT | Severe Thunderstorm Warning | FGF | Norman | 36 min |
| Jun 28, 12:13 AM CDT | Severe Thunderstorm Warning | FGF | Clearwater, Mahnomen, Polk | 32 min |
| Jun 28, 12:32 AM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Hubbard | 28 min |
| Jun 28, 12:36 AM CDT | Severe Thunderstorm Warning | FGF | Norman | 39 min |
| Jun 28, 12:44 AM CDT | Severe Thunderstorm Warning | FGF | Clearwater, Mahnomen, Polk | 31 min |
| Jun 28, 1:11 AM CDT | Flash Flood Warning | FGF | Clearwater, Mahnomen, Polk | 3 hr |
| Jun 28, 1:14 AM CDT | Severe Thunderstorm Warning | FGF | Clearwater, Mahnomen | 31 min |
| Jun 28, 1:29 AM CDT | Severe Thunderstorm Warning | FGF | Hubbard | 31 min |
| Jun 28, 1:45 AM CDT | Severe Thunderstorm Warning | FGF | Becker | 30 min |
| Jun 28, 1:47 AM CDT | Severe Thunderstorm Warning | FGF | Norman | 28 min |
| Jun 28, 2:13 AM CDT | Severe Thunderstorm Warning | FGF | Norman | 32 min |
| Jun 28, 2:40 AM CDT | Severe Thunderstorm Warning | FGF | Mahnomen | 35 min |
| Jun 28, 2:54 AM CDT | Severe Thunderstorm Warning | FGF | Becker | 36 min |
| Jun 28, 3:29 AM CDT | Severe Thunderstorm Warning | FGF | Becker | 31 min |
| Jun 28, 9:16 AM CDT | Severe Thunderstorm Warning | FGF | Otter Tail | 29 min |
| Jun 28, 9:31 AM CDT | Severe Thunderstorm Warning | FGF | Wilkin | 44 min |
| Jun 28, 9:47 AM CDT | Severe Thunderstorm Warning | FGF | Otter Tail | 28 min |
| Jun 28, 10:12 AM CDT | Severe Thunderstorm Warning | FGF | Wilkin | 48 min |
| Jun 28, 10:21 AM CDT | Severe Thunderstorm Warning | FGF | Otter Tail | 54 min |
| Jun 28, 11:00 AM CDT | Flash Flood Warning | FGF | Otter Tail | 4 hr |
| Jun 28, 12:21 PM CDT | Flash Flood Warning | FGF | Wilkin | 2 hr |
| Jun 28, 1:03 PM CDT | Severe Thunderstorm Warning | FGF | Otter Tail | 27 min |
| Jun 28, 1:10 PM CDT | Severe Thunderstorm Warning | FGF | Wadena | 35 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 1997Every severe thunderstorm warning in 1997
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; radar from the NEXRAD Level II archive.