Alert archive / Minnesota / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 249, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Sep 26, 1998, 2:34 AM CDT for Otter Tail County, Wadena County, Minnesota. It was in force for 31 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
- Sep 26, 1998, 2:34 AM CDT (07:34 UTC)
- Expired
- Sep 26, 1998, 3:05 AM CDT
- In force
- 31 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties
Counties Otter Tail County, MN, Wadena County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 189 km from the middle of the area, began a volume at 07:33 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 26, 2:40 AM CDT | Hail 1 | New York Mills, 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Sep 26, 12:00 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 7.6 hours before the alert went out and 228 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
- 1859 m above ground
- 0-6 km bulk shear
- 74 kt
- 0-1 km storm-relative helicity
- 247 m²/s²
- 0-3 km storm-relative helicity
- 276 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
672 WUUS1 KFAR 260735 RRA SVRFAR MNC111-159-260805- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 234 AM CDT SAT SEP 26 1998 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EASTERN OTTER TAIL COUNTY IN WEST CENTRAL MINNESOTA WADENA COUNTY IN CENTRAL MINNESOTA * UNTIL 305 AM CDT * AT 233 AM CDT...RADAR INDICATED A SEVERE THUNDERSTORM NEAR NEW YORK MILLS...OR 40 MILES NORTHEAST OF FERGUS FALLS. MOVEMENT WAS NORTHEAST AT 30 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... BLUFTON AT 245 AM CDT SEBEKA AT 250 AM CDT DAMAGING WIND...LARGE HAIL...DEADLY LIGHTNING AND TORNADOES ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. SEEK SHELTER IN A REINFORCED BUILDING IMMEDIATELY KELLENBENZ
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 Sep 25, 8:10 PM CDT, 6 hours 24 minutes earlier.
Area forecast discussion, Sep 25, 8:10 PM CDT, 6 hours 24 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 810 PM CDT FRI SEP 25 1998 FCST CHALLENGE TONIGHT...SHOWERS. 21Z RUC AND EARLIER MODELS SHOWED WIDESPREAD 850MB WARM ADVECTION TAKING PLACE THIS EVENING. 850 THETA-E ADVECTION ALSO IMPRESSIVE...WITH THIS AREA SLIDING NORTHEAST INTO MN OVERNIGHT. CURRENT 88D SHOWS MAIN BAND OF PCPN FROM SOUTH OF DVL EAST TO NR BJI... MOVING NORTHEAST AT ABOUT 30KT. SOME LIGHTNING STRIKES FROM TIME TO TIME AS MID LEVEL LAPSE RATES ARE MARGINALLY SUPORTIVE OF THUNDER. 12Z MODELS DID NOT INDICATE CURRENT PCPN PATTERN WELL...BUT SHOWED GENERAL FLOW AND 850 WARM ADVECTION OK. BASED ON CURRENT SATELLITE AND LATEST RUC EXPECT SHOWERS TO CONTINUE TO MOVE NORTHEAST AND GRADUALLY END OVERNIGHT. WILL NEED TO UPDATE DVL ZONE AS NO PCPN IS CURRENTLY IN FCST. 88D SHOWS PCPN KNOCKING ON BENSON COUNTY DOORSTEP SO WILL UPDATE TO ADD SCAT SHRA/TSRA TONIGHT. WILL HAVE SCT SHRA/TSRA REST OF CWFA TONIGHT. WILL CHECK OVER LOW TEMP FCST...BUT ATTM THEY APPEAR OK. WILL SEND UPDATE OUT BY 820 PM. RIDDLE
In the hours before
Local storm report, Sep 26, 1:28 AM CDT, 1 hour 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA/GRAND FORKS
128 AM CDT SAT SEP 26 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0925 PM 4 SW ENGLEVALE ND .88 INCH HAIL
09/25/98 RANSOM
0930 PM LEONARD ND .75 INCH HAIL
09/25/98 CASS
0936 PM 8 SW LISBON ND .88 INCH HAIL
09/25/98 RANSOM HAIL 5 INCHES DEEP COVERED
GROUND
0950 PM 5 E LISBON ND 1.75 INCH HAIL
09/25/98 RANSOM
1045 PM 3 SE CHRISTINE ND WIND DAMAGE
09/25/98 RICHLAND 50 FOOT RADIO TOWER
KNOCKED DOWN
1115 PM 5 NW PELICAN RAPIDS MN .75 INCH HAIL
09/25/98 OTTER TAIL
1145 PM PERHAM MN WIND DAMAGE
09/25/98 OTTER TAIL WIND GUST OF 60 MPH
1155 PM 2 N OTTERTAIL MN WIND DAMAGE
09/25/98 OTTER TAIL TREES DOWN
1201 AM NEW YORK MILLS MN 1 INCH HAIL
09/26/98 OTTER TAIL
1210 AM SEBEKA MN .75 INCH HAIL
09/26/98 WADENALocal storm report, Sep 26, 1:28 AM CDT, 1 hour 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA/GRAND FORKS
128 AM CDT SAT SEP 26 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0925 PM 4 SW ENGLEVALE ND .88 INCH HAIL
09/25/98 RANSOM
0930 PM LEONARD ND .75 INCH HAIL
09/25/98 CASS
0936 PM 8 SW LISBON ND .88 INCH HAIL
09/25/98 RANSOM HAIL 5 INCHES DEEP COVERED
GROUND
0950 PM 5 E LISBON ND 1.75 INCH HAIL
09/25/98 RANSOM
1045 PM 3 SE CHRISTINE ND WIND DAMAGE
09/25/98 RICHLAND 50 FOOT RADIO TOWER
KNOCKED DOWN
1115 PM 5 NW PELICAN RAPIDS MN .75 INCH HAIL
09/25/98 OTTER TAIL
1145 PM PERHAM MN WIND DAMAGE
09/25/98 OTTER TAIL WIND GUST OF 60 MPH
1155 PM 2 N OTTERTAIL MN WIND DAMAGE
09/25/98 OTTER TAIL TREES DOWN
1201 AM NEW YORK MILLS MN 1 INCH HAIL
09/26/98 OTTER TAIL
1210 AM SEBEKA MN .75 INCH HAIL
09/26/98 WADENALocal storm report, Sep 26, 1:43 AM CDT, 51 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED FOR TIME AND LOCATION
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA/GRAND FORKS
143 AM CDT SAT SEP 26 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0925 PM 4 SW ENGLEVALE ND .88 INCH HAIL
09/25/98 RANSOM
0936 PM 8 SW LISBON ND .88 INCH HAIL
09/25/98 RANSOM HAIL 5 INCHES DEEP COVERED
GROUND IN LISBON
0950 PM 5 E LISBON ND 1.75 INCH HAIL
09/25/98 RANSOM
1030 PM LEONARD ND .75 INCH HAIL
09/25/98 CASS
1045 PM 3 SE CHRISTINE ND WIND DAMAGE
09/25/98 RICHLAND 50 FOOT RADIO TOWER
KNOCKED DOWN
1115 PM 5 NW PELICAN RAPIDS MN .75 INCH HAIL
09/25/98 OTTER TAIL
1145 PM PERHAM MN WIND DAMAGE
09/25/98 OTTER TAIL WIND GUST OF 60 MPH
1155 PM 2 N OTTERTAIL MN WIND DAMAGE
09/25/98 OTTER TAIL TREES DOWN
1201 AM NEW YORK MILLS MN 1 INCH HAIL
09/26/98 OTTER TAIL
1210 AM SEBEKA MN .75 INCH HAIL
09/26/98 WADENALocal storm report, Sep 26, 1:43 AM CDT, 51 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED FOR TIME AND LOCATION
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA/GRAND FORKS
143 AM CDT SAT SEP 26 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0925 PM 4 SW ENGLEVALE ND .88 INCH HAIL
09/25/98 RANSOM
0936 PM 8 SW LISBON ND .88 INCH HAIL
09/25/98 RANSOM HAIL 5 INCHES DEEP COVERED
GROUND IN LISBON
0950 PM 5 E LISBON ND 1.75 INCH HAIL
09/25/98 RANSOM
1030 PM LEONARD ND .75 INCH HAIL
09/25/98 CASS
1045 PM 3 SE CHRISTINE ND WIND DAMAGE
09/25/98 RICHLAND 50 FOOT RADIO TOWER
KNOCKED DOWN
1115 PM 5 NW PELICAN RAPIDS MN .75 INCH HAIL
09/25/98 OTTER TAIL
1145 PM PERHAM MN WIND DAMAGE
09/25/98 OTTER TAIL WIND GUST OF 60 MPH
1155 PM 2 N OTTERTAIL MN WIND DAMAGE
09/25/98 OTTER TAIL TREES DOWN
1201 AM NEW YORK MILLS MN 1 INCH HAIL
09/26/98 OTTER TAIL
1210 AM SEBEKA MN .75 INCH HAIL
09/26/98 WADENALocal storm report, Sep 26, 1:43 AM CDT, 51 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED FOR TIME AND LOCATION
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA/GRAND FORKS
143 AM CDT SAT SEP 26 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0925 PM 4 SW ENGLEVALE ND .88 INCH HAIL
09/25/98 RANSOM
0936 PM 8 SW LISBON ND .88 INCH HAIL
09/25/98 RANSOM HAIL 5 INCHES DEEP COVERED
GROUND IN LISBON
0950 PM 5 E LISBON ND 1.75 INCH HAIL
09/25/98 RANSOM
1030 PM LEONARD ND .75 INCH HAIL
09/25/98 CASS
1045 PM 3 SE CHRISTINE ND WIND DAMAGE
09/25/98 RICHLAND 50 FOOT RADIO TOWER
KNOCKED DOWN
1115 PM 5 NW PELICAN RAPIDS MN .75 INCH HAIL
09/25/98 OTTER TAIL
1145 PM PERHAM MN WIND DAMAGE
09/25/98 OTTER TAIL WIND GUST OF 60 MPH
1155 PM 2 N OTTERTAIL MN WIND DAMAGE
09/25/98 OTTER TAIL TREES DOWN
1201 AM NEW YORK MILLS MN 1 INCH HAIL
09/26/98 OTTER TAIL
1210 AM SEBEKA MN .75 INCH HAIL
09/26/98 WADENAThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 25, 10:37 PM CDT | Tornado Warning | FGF | Wilkin | 33 min |
| Sep 25, 11:14 PM CDT | Severe Thunderstorm Warning | FGF | Becker, Otter Tail | 31 min |
| Sep 25, 11:40 PM CDT | Severe Thunderstorm Warning | FGF | Otter Tail, Wadena | 45 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; radar from the NEXRAD Level II archive.