Alert archive / North Dakota / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 64, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 19, 2001, 1:23 PM CDT for Cavalier County, North Dakota. It was in force for 37 min. 2 reports 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 19, 2001, 1:23 PM CDT (18:23 UTC)
- Expired
- Jun 19, 2001, 2:00 PM CDT
- In force
- 37 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Cavalier County, ND
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 19, 1:35 PM CDT | Hail 0.75 | Munich, ND | |
| Jun 19, 1:58 PM CDT | Hail 0.75 | Alsen, ND |
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
Bismarck Municip, ND (KBIS), launched 12:00Z, 6.4 hours before the alert went out and 257 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
- 1262 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 70 m²/s²
- 0-3 km storm-relative helicity
- 93 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 191824 SVRFAR NDC019-191900- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS 123 PM CDT TUE JUN 19 2001 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHWESTERN CAVALIER COUNTY IN NORTHEAST NORTH DAKOTA... * UNTIL 200 PM CDT * AT 119 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES NORTHWEST OF CALIO...OR ABOUT 29 MILES WEST OF LANGDON...MOVEMENT WAS TO THE SOUTHEAST AT 25 MPH. * THIS THUNDERSTORM IS CAPABLE OF PRODUCING LARGE HAIL * THE SEVERE THUNDERSTORM WILL BE NEAR... CALIO AT 130 PM CDT... MUNICH AT 140 PM CDT... ALSEN AT 155 PM CDT... REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. LAT...LON 4882 9898 4860 9897 4855 9869 4872 9845 $$ BRAZZELL NNNN v
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 19, 9:50 AM CDT, 3 hours 33 minutes earlier.
Area forecast discussion, Jun 19, 9:50 AM CDT, 3 hours 33 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 950 AM CDT TUE JUN 19 2001 .CURRENT OBSERVATIONAL OVERVIEW... 14Z MSAS ANALYSIS DEPICTED LINGERING CYCLONIC FLOW OVER REGION WITH EMBEDDED SURFACE TROUGHS NOTED VICINITY OF RED RIVER VALLEY AND SOUTHERN SASK AND NORTHWEST NORTH DAKOTA. .FORECAST DETAILS... EXPECT ABUNDANT INSOLATION ATTM TO GIVE WAY TO INCREASING CU FIELDS AND SCATTERED SHOWER THREAT THIS AFTERNOON...PER REVIEW OF MID-LEVEL LAPSE RATES AND 500MB TEMPERATURE FIELDS. FEEL BEST CHANCES WILL BE IN CLOSE PROXIMITY TO AFOREMENTIONED TROUGHS WHERE BETTER LOW-LEVEL FORCING WILL BE EVIDENT. APPmEARS INHERITED ZONE PACKAGE HAS IMPENDING SITUATION HANDLED WELL WITH ONLY SOME COSMETIC CHANGES NEEDED. .FGF...NONE. BERG
In the hours before
Special weather statement, Jun 19, 8:03 AM CDT, 5 hours 20 minutes before
MNZ001>009-013>017-022>024-027>032-040-NDZ006>008-014>016-024- 026>030-038-039-049-052>054-201400- SPECIAL WEATHER STATEMENT HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 803 AM CDT TUE JUN 19 2001 ...NO SEVERE WEATHER IS EXPECTED ACROSS EASTERN NORTH DAKOTA OR NORTHWESTERN MINNESOTA TODAY... SYNOPSIS...A WEAK UPPER LEVEL DISTURBANCE WILL PASS ACROSS THE REGION TODAY WHILE A FRONT BEGINS TO LIFT NORTHEAST TOWARD EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA DURING THE AFTERNOON AND EVENING. SCATTERED SHOWERS AND THUNDERSTORMS WILL SPREAD OVER THE AREA TODAY...HOWEVER A LACK OF STRONG INSTABILITY WILL LIMIT THE POTENTIAL FOR SEVERE WEATHER. RJT
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 19, 2:00 PM CDT | Severe Thunderstorm Warning | FGF | Cavalier, Ramsey | 30 min |
| Jun 19, 2:33 PM CDT | Severe Thunderstorm Warning | FGF | Ramsey, Walsh | 27 min |
| Jun 19, 3:00 PM CDT | Severe Thunderstorm Warning | FGF | Walsh | 45 min |
Nearby
Severe Thunderstorm Warnings in North Dakota, 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.