Alert archive / Minnesota / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 132, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 14, 1998, 1:46 PM CDT for Otter Tail County, Wilkin County, Minnesota. It was in force for 34 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 14, 1998, 1:46 PM CDT (18:46 UTC)
- Expired
- Jul 14, 1998, 2:20 PM CDT
- In force
- 34 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties
Counties Otter Tail County, MN, Wilkin County, MN
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 14, 2:20 PM CDT | Hail 0.75 | Elizabeth, 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.
The nearest sounding before it
Aberdeen, SD (KABR), launched 12:00Z, 6.8 hours before the alert went out and 244 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
- 3567 J/kg
- Mixed-layer CIN
- -175 J/kg
- Mixed-layer LCL
- 1148 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 180 m²/s²
- 0-3 km storm-relative helicity
- 189 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 3.5
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.
NWS Grand Forks, ND wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 14, 10:25 AM CDT, 3 hours 21 minutes earlier.
Area forecast discussion, Jul 14, 10:25 AM CDT, 3 hours 21 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 1025 AM CDT TUE JUL 14 1998 FORECAST PROBLEM FOR TODAY IS PCPN. VIS SATELLITE IMAGERY SHOWS MCS MOVG ACROSS MOSTLY MN SIDE OF CWFA. SFC ANALYSIS HAS COLD FRONT EXTENDING THROUGH CENTRAL NORTH DAKOTA. MODELS KEEP TIMING OF FRONT INTO RRV BEFORE 00Z AND WITH STRONG SFC MOISTURE CONVERGENCE...A 120KT JET PROGRESSING ACROSS S CANADA AND ALL THE OUTFLOW BOUNDARIES LEFT FROM THIS MORNINGS CONVECTION...EXPLOSIVE DEVELOPMENT OF SVR TSRA EXPECTED THIS AFTERNOON...ESPECIALLY IN E ND WHERE CURRENTLY GETTING SUN. CURRENT FORECASTS HAVE PRETTY GOOD HANDLE ON PCPN SITUATION...BUT WILL NEEDD TO CUT BACK HIGH TEMPS DUE TO MORNING PCPN AND CLOUD COVER INHIBITING SOLAR HEATING. NG
In the hours before
Local storm report, Jul 14, 10:50 AM CDT, 2 hours 56 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA/GRAND FORKS
1050 AM CDT TUE JUL 14 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0720 AM 2NW HOLT MN 0.75 INCH HAIL
07/14/98 MARSHALL
0745 AM HORACE ND 1.75 INCH HAIL
07/14/98 CASS
GODONLocal storm report, Jul 14, 10:50 AM CDT, 2 hours 56 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA/GRAND FORKS
1050 AM CDT TUE JUL 14 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0720 AM 2NW HOLT MN 0.75 INCH HAIL
07/14/98 MARSHALL
0745 AM HORACE ND 1.75 INCH HAIL
07/14/98 CASS
GODONSpecial weather statement, Jul 14, 12:45 PM CDT, 1 hour 1 minute before
MNZ001>009-013>017-022>024-027>032-040-NDZ006>008-014>016-024- 026>030-038-039-049-052-053-151200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 1245 PM CDT TUE JUL 14 1998 ..SEVERE THUNDERSTORMS POSSIBLE ACROSS EASTERN NORTH DAKOTA AND NORTHWEST AND WEST CENTRAL MINNESOTA THIS AFTERNOON AND EARLY EVENING... A VERY MOIST AND UNSTABLE AIRMASS IS ACROSS THE EASTERN NORTH DAKOTA AND NORTHWEST AND WEST CENTRAL NORTH DAKOTA AT MIDDAY. THE MOST UNSTABLE AIRMASS WAS OVER THE SOUTHERN RED RIVER VALLEY WHERE DEW POINTS HAD RISEN TO NEAR 80 IN THE FARGO AND WAPHETON AREAS. A COLD FRONT LOCATED FROM NEAR DEVILS LAKE TO BISMARCK WILL MOVE EAST THROUGH EASTERN NORTH DAKOTA AMD INTO WESTERN MINNESOTA BY EARLY EVENING. THERE IS A GOOD CHANCE FOR SCATTERED SEVERE THUNDERSTORMS ALONG AND AHEAD OF THIS FRONT THIS AFTERNOON AND EARLY EVENING. THE BEST CHANCE WILL BE OVER SOUTHEAST NORTH DAKOTA AND WEST CENTRAL MINNESOTA...SOUTH AND EAST OF A VALLEY CITY TO HILLSBORO TO BEMIDJI LINE BETWEEN THE HOURS OF 1 PM AND 8 PM. THE MAIN THREAT WILL BE LARGE HAIL...DAMAGING WINDS...AND VERY HEAVY RAIN. SUFFICIENT WIND SHEAR EXITS IN THE ATMOSPHERE FOR THE FORMATION OF ISOLATED TORNADOES. SPOTTERS AND EMERGENCY MANAGERS SHOULD BE PREPARED FOR POSSIBLE ACTIVATION THIS AFTERNOON AND EVENING...ESPECIALLY OVER SOUTHEAST NORTH DAKOTA AND WEST CENTRAL MINNESOTA. RIDDLE
Special weather statement, Jul 14, 12:45 PM CDT, 1 hour 1 minute before
MNZ001>009-013>017-022>024-027>032-040-NDZ006>008-014>016-024- 026>030-038-039-049-052-053-151200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 1245 PM CDT TUE JUL 14 1998 ..SEVERE THUNDERSTORMS POSSIBLE ACROSS EASTERN NORTH DAKOTA AND NORTHWEST AND WEST CENTRAL MINNESOTA THIS AFTERNOON AND EARLY EVENING... A VERY MOIST AND UNSTABLE AIRMASS IS ACROSS THE EASTERN NORTH DAKOTA AND NORTHWEST AND WEST CENTRAL NORTH DAKOTA AT MIDDAY. THE MOST UNSTABLE AIRMASS WAS OVER THE SOUTHERN RED RIVER VALLEY WHERE DEW POINTS HAD RISEN TO NEAR 80 IN THE FARGO AND WAPHETON AREAS. A COLD FRONT LOCATED FROM NEAR DEVILS LAKE TO BISMARCK WILL MOVE EAST THROUGH EASTERN NORTH DAKOTA AMD INTO WESTERN MINNESOTA BY EARLY EVENING. THERE IS A GOOD CHANCE FOR SCATTERED SEVERE THUNDERSTORMS ALONG AND AHEAD OF THIS FRONT THIS AFTERNOON AND EARLY EVENING. THE BEST CHANCE WILL BE OVER SOUTHEAST NORTH DAKOTA AND WEST CENTRAL MINNESOTA...SOUTH AND EAST OF A VALLEY CITY TO HILLSBORO TO BEMIDJI LINE BETWEEN THE HOURS OF 1 PM AND 8 PM. THE MAIN THREAT WILL BE LARGE HAIL...DAMAGING WINDS...AND VERY HEAVY RAIN. SUFFICIENT WIND SHEAR EXITS IN THE ATMOSPHERE FOR THE FORMATION OF ISOLATED TORNADOES. SPOTTERS AND EMERGENCY MANAGERS SHOULD BE PREPARED FOR POSSIBLE ACTIVATION THIS AFTERNOON AND EVENING...ESPECIALLY OVER SOUTHEAST NORTH DAKOTA AND WEST CENTRAL MINNESOTA. RIDDLE
Local storm report, Jul 14, 12:50 PM CDT, 56 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA/GRAND FORKS
1250 PM CDT TUE JUL 14 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1133 AM 3N GULLY MN 0.75 INCH HAIL
07/14/98 POLK
1135 AM 25N BEMIDJI MN 0.75 INCH HAIL
07/14/98 BELTRAMI
GODONLocal storm report, Jul 14, 12:50 PM CDT, 56 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA/GRAND FORKS
1250 PM CDT TUE JUL 14 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1133 AM 3N GULLY MN 0.75 INCH HAIL
07/14/98 POLK
1135 AM 25N BEMIDJI MN 0.75 INCH HAIL
07/14/98 BELTRAMI
GODONThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 14, 3:07 AM CDT | Severe Thunderstorm Warning | FGF | Hubbard | 48 min |
| Jul 14, 5:32 AM CDT | Severe Thunderstorm Warning | FGF | Pennington, Polk | 33 min |
| Jul 14, 7:17 AM CDT | Severe Thunderstorm Warning | FGF | Marshall | 33 min |
| Jul 14, 8:09 AM CDT | Severe Thunderstorm Warning | FGF | Clay, Norman | 31 min |
| Jul 14, 8:19 AM CDT | Severe Thunderstorm Warning | FGF | Roseau | 31 min |
| Jul 14, 11:18 AM CDT | Severe Thunderstorm Warning | FGF | Beltrami | 32 min |
| Jul 14, 11:21 AM CDT | Severe Thunderstorm Warning | FGF | Clearwater, Polk | 34 min |
| Jul 14, 12:58 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Hubbard | 32 min |
| Jul 14, 1:14 PM CDT | Severe Thunderstorm Warning | FGF | Wilkin | 31 min |
| Jul 14, 2:16 PM CDT | Severe Thunderstorm Warning | FGF | Otter Tail | 34 min |
| Jul 14, 2:36 PM CDT | Tornado Warning | FGF | Otter Tail | 34 min |
| Jul 14, 3:07 PM CDT | Flash Flood Warning | FGF | Otter Tail | 118 min |
| Jul 14, 3:10 PM CDT | Severe Thunderstorm Warning | FGF | Otter Tail | 50 min |
| Jul 14, 4:01 PM CDT | Severe Thunderstorm Warning | FGF | Otter Tail | 49 min |
| Jul 14, 4:53 PM CDT | Severe Thunderstorm Warning | FGF | Otter Tail | 32 min |
| Jul 14, 5:02 PM CDT | Flash Flood Warning | FGF | Otter Tail | 3 hr |
| Jul 14, 5:15 PM CDT | Severe Thunderstorm Warning | FGF | Becker, Clay | 35 min |
| Jul 14, 5:26 PM CDT | Severe Thunderstorm Warning | FGF | Otter Tail | 64 min |
| Jul 14, 5:30 PM CDT | Severe Thunderstorm Warning | FGF | Clearwater, Hubbard | 35 min |
| Jul 14, 5:43 PM CDT | Severe Thunderstorm Warning | FGF | Grant | 32 min |
| Jul 14, 5:46 PM CDT | Severe Thunderstorm Warning | FGF | Becker | 34 min |
| Jul 14, 6:16 PM CDT | Severe Thunderstorm Warning | FGF | Grant | 34 min |
| Jul 14, 6:22 PM CDT | Severe Thunderstorm Warning | FGF | Wilkin | 33 min |
| Jul 14, 6:47 PM CDT | Severe Thunderstorm Warning | FGF | Grant | 43 min |
| Jul 14, 6:41 AM CDT | Severe Thunderstorm Warning | FGF | Cavalier, Pembina | 29 min |
| Jul 14, 7:46 AM CDT | Severe Thunderstorm Warning | FGF | Cass | 34 min |
| Jul 14, 6:56 PM CDT | Severe Thunderstorm Warning | FGF | Richland | 49 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 1998Every severe thunderstorm warning in 1998
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.