Alert archive / Minnesota / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 44, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 11, 2001, 11:59 AM CDT for Clay County, Minnesota. It was in force for 46 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
- Jun 11, 2001, 11:59 AM CDT (16:59 UTC)
- Expired
- Jun 11, 2001, 12:45 PM CDT
- In force
- 46 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Clay County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 98 km from the middle of the area, began a volume at 17:02 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 |
|---|---|---|---|
| Jun 11, 12:05 PM CDT | Thunderstorm Wind | Hawley, MN | A tree was blown down. |
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 |
|---|---|---|---|
| Jun 11, 9:30 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 12:00Z, 5.0 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
- 2628 J/kg
- Mixed-layer CIN
- -211 J/kg
- Mixed-layer LCL
- 1168 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 432 m²/s²
- 0-3 km storm-relative helicity
- 444 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.3
The text
As transmitted, in the capitals the NWS used until 2016.
621 WUUS53 KFGF 111700 SVRFAR MNC027-111745- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS 1159 AM CDT MON JUN 11 2001 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CLAY COUNTY IN NORTHWEST MINNESOTA... * UNTIL 1245 PM CDT * AT 1157 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE LEADING EDGE OF SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM 19 MILES NORTHEAST OF FARGO TO 20 MILES SOUTHEAST OF FARGO... MOVEMENT WAS TO THE EAST AT 30 MPH. * THIS THUNDERSTORM IS CAPABLE OF PRODUCING HAIL TO ONE INCH IN DIAMTER AND WINDS 70 TO 100 MPH. PERSONS SHOULD MOVE TO THEIR TORNADO SHELTERS IMMEDIATELY. * SEVERE THUNDERSTORMS WILL BE NEAR... DOWNER AT NOON CDT... HAWLEY AT 1210 PM CDT... HITTERDAL AT 1215 PM CDT... ROLLAG AT 1220 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 200 PM CDT MONDAY AFTERNOON FOR NORTHWESTERN MINNESOTA AND EASTERN NORTH DAKOTA. LAT...LON 4709 9654 4664 9667 4666 9619 4698 9621 $$ BRAZZELL 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 Jun 11, 10:42 AM CDT, 1 hour 17 minutes earlier.
Area forecast discussion, Jun 11, 10:42 AM CDT, 1 hour 17 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 1042 AM CDT MON JUN 11 2001 ...DUE TO ONGOING SVR WEATHER WL BE BRIEF... SFC LOW CONT TO MOVE E OVER NE SD THIS MORNING WITH WARM FRONT MOVING INTO SRN ZONES. DECENT JET TO N OF THIS AREA COMBINED WITH 7H SHRT WV LIFTING INTO THE ERN DAKOTAS TO HELP KEEP TSTM ACTIVITY GOING INTO THE AFTN...WITH ACTIVITY ENDING FROM W TO E OVER ALL BUT FAR ERN ZONES BY 0Z. HIGH PRECIPITABLE H2O VALUES SHOWN BY MESOETA OVER SRN VALLEY AND POINTS EAST...AND WITH FLASH FLOOD WARNINGS BEING ISSUED DUE TO STRONG/SEVERE STORMS PRODUCING HEAVY RAINS WL KEEP FLASH FLOOD WATCH GOING ATTM. WL MAKE MINOR TWEAKS TO CURRENT ZFP TO REFLECT ONGOING CONDITIONS BUT NO BIG CHANGES PLANNED. .FGF...SVR THUNDERSTORM WATCH UNTIL 2 PM FOR SE ND AND WEST CENTRAL AND S SECTIONS OF NW MN... FLASH FLOOD WATCH THIS AFTERNOON FOR 0RANSOM...SARGENT...RICHLAND... WILKIN...OTTERTAIL AND GRANT COUNTIES. RJT
In the hours before
Local storm report, Jun 11, 10:31 AM CDT, 1 hour 28 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA/GRAND FORKS
1031 AM CDT MON JUN 11 2001
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0915 AM WAHPETON ND .75 INCH HAIL
06/11/01 RICHLAND
0915 AM 2 S ECKELSON ND 1.5 INCH HAIL
06/11/01 BARNES
0946 AM VALLEY CITY ND 1 INCH HAIL
06/11/01 BARNES
0950 AM FERGUS FALLS MN .88 INCH HAIL
06/11/01 OTTER TAIL 60 MPH WINDS REPORTED BY
KBRF
0950 AM VALLEY CITY ND 1.75 INCH HAIL
06/11/01 BARNES
1000 AM FERGUS FALLS MN 70 MPH TSTM GUST
06a/11/01 OTTER TAIL REPORTED BY OFF DUTY NWS
EMPLOYEE
1000 AM 3 N FOXHOME MN .75 INCH HAIL
06/11/01 WILKINSpecial weather statement, Jun 11, 10:49 AM CDT, 1 hour 10 minutes before
NDZ024-111620- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 1049 AM CDT MON JUN 11 2001 ....SEVERE THUNDERSTORM WATCH FOR EDDY COUNTY HAS BEEN CANCELLED... THEe SEVERE THUNDERSTORM WATCH FOR EDDY COUNTY HAS BEEN CANCELLED. THE SYSTEM THAT PROMPTED THE WATCH HAS MOVED EAST OF THE COUNTY. KENNEDY
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 5:18 AM CDT | Severe Thunderstorm Warning | FGF | Marshall | 27 min |
| Jun 11, 9:06 AM CDT | Severe Thunderstorm Warning | FGF | Wilkin | 24 min |
| Jun 11, 9:33 AM CDT | Severe Thunderstorm Warning | FGF | Otter Tail, Wilkin | 57 min |
| Jun 11, 10:15 AM CDT | Flash Flood Warning | FGF | Otter Tail, Wilkin | 30 min |
| Jun 11, 10:15 AM CDT | Flash Flood Warning | FGF | Otter Tail, Wilkin | 105 min |
| Jun 11, 10:29 AM CDT | Severe Thunderstorm Warning | FGF | Otter Tail | 46 min |
| Jun 11, 11:01 AM CDT | Severe Thunderstorm Warning | FGF | Clay | 29 min |
| Jun 11, 11:16 AM CDT | Severe Thunderstorm Warning | FGF | Otter Tail | 29 min |
| Jun 11, 11:29 AM CDT | Severe Thunderstorm Warning | FGF | Clay | 31 min |
| Jun 11, 11:39 AM CDT | Severe Thunderstorm Warning | FGF | Wilkin | 51 min |
| Jun 11, 11:52 AM CDT | Severe Thunderstorm Warning | FGF | Becker | 53 min |
| Jun 11, 12:02 PM CDT | Flash Flood Warning | FGF | Otter Tail, Wilkin | 6 hr |
| Jun 11, 12:13 PM CDT | Severe Thunderstorm Warning | FGF | Otter Tail | 62 min |
| Jun 11, 12:47 PM CDT | Severe Thunderstorm Warning | FGF | Becker, Hubbard | 58 min |
| Jun 11, 1:15 PM CDT | Severe Thunderstorm Warning | FGF | Otter Tail | 60 min |
| Jun 11, 1:22 PM CDT | Severe Thunderstorm Warning | FGF | Otter Tail, Wadena | 23 min |
| Jun 11, 2:15 PM CDT | Severe Thunderstorm Warning | FGF | Otter Tail | 15 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2001Every severe thunderstorm warning in 2001
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.