Alert archive / Minnesota / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 156, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 25, 2000, 2:37 PM CDT for Becker County, Otter Tail County, Minnesota. It was in force for 28 min. 1 report came from inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.
The facts
- Issued
- Jul 25, 2000, 2:37 PM CDT (19:37 UTC)
- Expired
- Jul 25, 2000, 3:05 PM CDT
- In force
- 28 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Becker County, MN, Otter Tail County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 148 km from the middle of the area, began a volume at 19:41 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 |
|---|---|---|---|
| Jul 25, 2:40 PM CDT | Hail 0.75 | Shoreham, 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
Minneapolis, MN (KMPX), launched 12:00Z, 7.6 hours before the alert went out and 269 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
- 158 J/kg
- Mixed-layer CIN
- -126 J/kg
- Mixed-layer LCL
- 797 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- -84 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KFGF 251937 SVRFAR MNC005-111-252005- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS 237 PM CDT TUE JUL 25 2000 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN BECKER COUNTY IN NORTHWEST MINNESOTA... THIS INCLUDES THE CITY OF DETROIT LAKES NORTH CENTRAL OTTER TAIL COUNTY IN WEST CENTRAL MINNESOTA... * UNTIL 305 PM CDT * AT 235 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER SHOREHAM...OR ABOUT 6 MILES SOUTHWEST OF DETROIT LAKES...MOVEMENT WAS TO THE EAST AT 35 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... DETROIT LAKES AT 240 PM CDT... FRAZEE AT 250 PM CDT... HEIGHT OF LAND LAKE AT 300 PM CDT... EVERGREEN AT 305 PM CDT... REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM CDT TUESDAY EVENING FOR CENTRAL MINNESOTA. LAT...LON 4682 9603 4664 9598 4659 9526 4693 9534 $$ VOELKER NNNN
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 25, 9:55 AM CDT, 4 hours 42 minutes earlier.
Area forecast discussion, Jul 25, 9:55 AM CDT, 4 hours 42 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 955 AM CDT TUE JUL 25 2000 FORECAST PROBLEM FOR TODAY IS PCPN. LATEST VIS SATELLITE IMAGERY SHOWS AC ASSOCIATED WITH SHRA AND TSRA PRIMARILY IN THE N AND W PARTS OF CWFA. KMVX HAS SHRA AND ISOLD TSRA OVER NE ND AND NW MN. LATEST MSAS SFC PRESSURE ANALYSIS HAS LOW PRESSURE TROF EXTENDING THROUGH CWFA ALONG A BDE-CKN LINE...THEN SW BETWEEN JMS AND FAR. WHEN COMPARING CURRENT MSAS SFC PLOT TO MODELS...ETA MATCHES BEST WITH AVN ALSO PRETTY CLOSE. SFC TROF AND UPPER LEVEL TROF CONTINUE TO SLIDE SE THIS AFTERNOON...KEEPING UVV OVER THE CWFA...AND THE POTENTIAL FOR SHRA AND TSRA. THEREFORE...CURRENT FORECAST RIGHT ON TRACK...WITH ONLY MINOR CHANGES NEEDED. .FGF...NONE. NG
In the hours before
Special weather statement, Jul 25, 11:53 AM CDT, 2 hours 44 minutes before
MNZ017-024-028-030>032-040-251850- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 1153 AM CDT TUE JUL 25 2000 ...SEVERE THUNDERSTORMS POSSIBLE ACROSS PORTIONS OF WEST CENTRAL MINNESOTA THIS AFTERNOON... SYNOPSIS...MOIST AND UNSTABLE AIR AHEAD OF A TROUGH OF LOW PRESSURE COULD TRIGGER SCATTERED SEVERE THUNDERSTORMS THIS AFTERNOON AND EVENING. AREA OF CONCERN...A SLIGHT RISK OF SEVERE THUNDERSTORMS ARYE POSSIBLE THIS AFTERNOON ALONG AND EAST OF A NORCROSS TO FERGUS FALLS TO DETROIT LAKES TO WASKISH LINE. TIME...START TIME AFTER 1 PM UNTIL 8 PM. TYPE OF HAZARD...LARGE HAIL AND STRONG WIND. DJK NNNN
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 11:43 PM CDT | Severe Thunderstorm Warning | FGF | Wilkin | 32 min |
| Jul 25, 12:11 AM CDT | Severe Thunderstorm Warning | FGF | Otter Tail | 29 min |
| Jul 25, 12:35 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Clearwater | 30 min |
| Jul 25, 12:40 PM CDT | Severe Thunderstorm Warning | FGF | Mahnomen | 30 min |
| Jul 25, 1:17 PM CDT | Severe Thunderstorm Warning | FGF | Becker, Clay | 28 min |
| Jul 25, 1:48 PM CDT | Severe Thunderstorm Warning | FGF | Hubbard | 32 min |
| Jul 25, 3:04 PM CDT | Severe Thunderstorm Warning | FGF | Otter Tail | 31 min |
| Jul 25, 3:42 PM CDT | Severe Thunderstorm Warning | FGF | Otter Tail | 28 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2000Every severe thunderstorm warning in 2000
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.