Alert archive / Minnesota / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 148, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Aug 21, 1996, 9:39 AM CDT for Beltrami County, Minnesota. It was in force for 36 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
- Aug 21, 1996, 9:39 AM CDT (14:39 UTC)
- Expired
- Aug 21, 1996, 10:15 AM CDT
- In force
- 36 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties
County Beltrami County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 185 km from the middle of the area, began a volume at 14:42 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 |
|---|---|---|---|
| Aug 21, 10:00 AM CDT | Hail 0.75 | Fourtown, 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
International Fa, MN (KINL), launched 12:00Z, 2.7 hours before the alert went out and 138 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
- 1019 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 102 m²/s²
- 0-3 km storm-relative helicity
- 108 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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
Local storm report, Aug 21, 7:02 AM CDT, 2 hours 37 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA
700 AM CDT WED AUG 21 1996
TIME(CDT) .....CITY LOCATION.... STATE ...EVENT/REMARKS...
....COUNTY LOCATION...
0215 AM PETERSBERG ND 1.00 INCH HAIL
08/21/96 NELSON
0300 PM GRAFTON ND WINDS 60 MPH
08/21/96 WALSH
0418 PM 5W CHURCHES FERRY ND 0.75 INCH HAIL
08/12/96 BENSON
0459 PM CAVILIER ND 0.75 INCH HAIL
08/21/96 PEMBINA
KENNEDYLocal storm report, Aug 21, 7:28 AM CDT, 2 hours 11 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA
700 AM CDT WED AUG 21 1996
TIME(CDT) .....CITY LOCATION.... STATE ...EVENT/REMARKS...
....COUNTY LOCATION...
0215 AM PETERSBERG ND 1.00 INCH HAIL
08/21/96 NELSON
0300 AM GRAFTON ND WINDS 60 MPH
08/21/96 WALSH
0418 AM 5W CHURCHES FERRY ND P 0.75 INCH HAIL
08/21/96 BENSON
0459 AM CAVILIER ND 0.75 INCH HAIL
08/21/96 PEMBINA
KENNEDYThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 21, 7:20 AM CDT | Severe Thunderstorm Warning | FGF | Marshall | 25 min |
| Aug 21, 7:45 AM CDT | Severe Thunderstorm Warning | FGF | Marshall | 15 min |
| Aug 21, 10:15 AM CDT | Severe Thunderstorm Warning | FGF | Beltrami | 30 min |
| Aug 21, 11:09 AM CDT | Severe Thunderstorm Warning | FGF | Beltrami | 36 min |
| Aug 21, 5:55 PM CDT | Severe Thunderstorm Warning | FGF | Clearwater | 35 min |
| Aug 21, 6:12 PM CDT | Severe Thunderstorm Warning | FGF | Wilkin | 48 min |
| Aug 20, 11:35 PM CDT | Severe Thunderstorm Warning | FGF | Benson | 40 min |
| Aug 21, 2:30 AM CDT | Severe Thunderstorm Warning | FGF | Grand Forks | 30 min |
| Aug 21, 2:52 AM CDT | Severe Thunderstorm Warning | FGF | Walsh | 38 min |
| Aug 21, 4:11 AM CDT | Severe Thunderstorm Warning | FGF | Benson, Towner | 34 min |
| Aug 21, 4:21 AM CDT | Severe Thunderstorm Warning | FGF | Ramsey | 39 min |
| Aug 21, 4:46 AM CDT | Severe Thunderstorm Warning | FGF | Pembina | 29 min |
| Aug 21, 4:49 AM CDT | Severe Thunderstorm Warning | FGF | Cavalier | 41 min |
| Aug 21, 10:59 AM CDT | Severe Thunderstorm Warning | FGF | Grand Forks | 31 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 1996Every severe thunderstorm warning in 1996
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.