Alert archive / North Dakota / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 225, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Aug 28, 2000, 5:17 AM CDT for Benson County, Eddy County, North Dakota. It was in force for 58 min. 4 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
- Aug 28, 2000, 5:17 AM CDT (10:17 UTC)
- Expired
- Aug 28, 2000, 6:15 AM CDT
- In force
- 58 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Benson County, ND, Eddy County, ND
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 28, 5:25 AM CDT | Hail 1 | Harvey, ND | |
| Aug 28, 5:30 AM CDT | Thunderstorm Wind 52 E | Esmond, ND | |
| Aug 28, 6:00 AM CDT | Hail 1.75 | New Rockford, ND | |
| Aug 28, 6:25 AM CDT | Thunderstorm Wind 56 E | Maddock, 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 00:00Z, 10.3 hours before the alert went out and 136 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
- 2086 J/kg
- Mixed-layer CIN
- -98 J/kg
- Mixed-layer LCL
- 1409 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 88 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS53 KFGF 281018
SVRFAR
NDC005-027-281115-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS
517 AM CDT MON AUG 28 2000
THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
WESTERN BENSON COUNTY IN NORTHEAST NORTH DAKOTA...
WESTERN EDDY COUNTY IN NORTHEAST NORTH DAKOTA...
* UNTIL 615 AM CDT
* AT 511 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THE LEADING EDGE OF SEVERE THUNDERSTORMS ALONG A LINE EXTENDING
FROM 51 MILES EAST OF GARRISON TO 60 MILES SOUTHWEST OF DEVILS
LAKE...MOVEMENT WAS TO THE NORTHEAST AT 35 MPH.
* SEVERE THUNDERSTORMS WILL BE NEAR...
ESMOND AT 545 AM CDT...
NEW ROCKFORD BY 615 AM CDT...
REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES WITH LITTLE OR NO ADVANCE WARNING.
LAT...LON 4773 10036 4759 10018 4761 9892 4786 9893
4836 9980
ME
NNNNWhat 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 Aug 28, 2:10 AM CDT, 3 hours 7 minutes earlier.
Area forecast discussion, Aug 28, 2:10 AM CDT, 3 hours 7 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 210 AM CDT MON AUG 28 2000 ...FORECAST CONCERNS CENTER AROUND CONVECTIVE THREAT DURING FIRST PERIOD... ...CURRENT OBSERVATIONAL OVERVIEW... 06Z MSAS DATA SETS DEPICTED COMPLEX SURFACE PATTERN WITH LOW PRESSURE OVER EXTREME SOUTHEAST MONTANA WHILE A COLD FRONT WAS POISED VICINITY OF EXTREME NORTHWEST NODAK. LATEST IR SATELLITE IMAGERY INDICATED CONVECTION LIFTING NORTHEAST INTO WESTERN NODAK AHEAD OF EASTWARD ADVANCING NORTHWEST MONTANA SHORTWAVE TROUGH. .SHORT TERM... EXPECT AFOREMENTIONED SHORTWAVE TROUGH TO SWING SURFACE TROUGH EAST TO RED RIVER VALLEY BY 18Z AND THEN TO THE ARROWHEAD OF MINNESOTA BY EARLY EVENING. RATHER DECENT THERMODYNAMIC AND DYNAMIC PARAMETERS (85H STRONG THETA E ADVECTION AND POTENT 25H JET MAX) SETTING UP AHEAD OF FEATURE SHOULD HELP BREAK CURRENT MID-LEVEL INVERSION (CAP) RESULTING IN CONVECTIVE DEVELOPMENT WORKING FROM WEST TO EAST ACROSS CWFA AS DAY WEARS ON. .LONG TERM... EXPECT SYSTEM TO BE VERY PROGRESSIVE WITH LINGERING CONVECTIVE THREAT EAST THIS EVENING. ELSEWHERE DEVELOPING NORTHWEST FLOW ACCOMPANIED BY STRONG SUBSIDENCE (Q-VECTOR DIVERGENCE) SHOULD SCOUR OUT ANY RESIDUAL MOISTURE WITH MOSTLY CLEAR/BECOMING SKY COVER THE RULE OVERNIGHT. TUESDAY LOOKS TRANQUIL AS REGION BETWEEN SYSTEMS. NEW AVN FASTER WITH8 NEXT SYSTEM WHICH APPEARS TO BE NOTHING TO SNEEZE AT IN LIGHT OF CURRENT PROGRESSIVE UPPER AIR FLOW. WITH THIS IN MIND WILL UPDATE EXTENDED TO INTRODUCE POPS INTO WEDNESDAY PERIOD. .FGF...NONE BERG
In the hours before
Special weather statement, Aug 28, 5:00 AM CDT, 17 minutes before
MNZ001>009-013>017-022>024-027>032-040-NDZ006>008-014>016-024- 026>030-038-039-049-052>054-281300- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 500 AM CDT MON AUG 28 2000 ...SEVERE THUNDERSTORMS EXPECTED ACROSS MUCH OF EASTERN NORTH DAKOTA AND NORTHWESTERN MINNESOTA TODAY... SYNOPSIS...A STRONG UPPER LEVEL SYSTEM WILL PUSH A COLD FRONT INTO NORTHEAST NORTH DAKOTA THIS MORNING...REACHING THE RED RIVER DURING THE EARLY AFTERNOON....THEN INTO EASTERN MINNESOTA BY EVENING. AHEAD OF THIS FRONT SURFACE DEW POINTS IN THE MID TO UPPER 60S WILL COMBINE WITH SURFACE TEMPERATURES IN THE 80S TO MAKE A VERY UNSTABLE AIRMASS. AREA OF CONCERN...SLIGHT RISK OF SEVERE THUNDERSTORMS THIS MORNING WEST OF THE RED RIVER. INCREASING RISK SHIFTING EAST OF THE RED RIVER THIS AFTERNOON. GREATEST RISK THIS AFTERNOON EAST OF THE RED RIVER ACROSS NORTHWEST MINNESOTA. TIME...WEST OF THE RED RIVER VALLEY THIS MORNING AND VERY EARLY AFTERNOON...EAST OF THE RED RIVER AFTERNOON INTO EARLY EVENING. TYPE OF HAZARD...MAINLY LARGE HAIL AND DAMAGING WINDS. ISOLATED TORNADOES POSSIBLE EAST OF THE RED RIVER. ME/PB NNNN
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 28, 6:00 AM CDT | Severe Thunderstorm Warning | FGF | Benson, Ramsey | 45 min |
| Aug 28, 6:14 AM CDT | Severe Thunderstorm Warning | FGF | Eddy | 31 min |
| Aug 28, 6:24 AM CDT | Severe Thunderstorm Warning | FGF | Nelson, Walsh | 31 min |
| Aug 28, 6:44 AM CDT | Severe Thunderstorm Warning | FGF | Benson, Eddy, Nelson, Ramsey | 46 min |
| Aug 28, 6:44 AM CDT | Severe Thunderstorm Warning | FGF | Walsh | 46 min |
| Aug 28, 7:00 AM CDT | Severe Thunderstorm Warning | FGF | Cavalier | 45 min |
| Aug 28, 7:40 AM CDT | Severe Thunderstorm Warning | FGF | Towner | 30 min |
| Aug 28, 8:23 AM CDT | Severe Thunderstorm Warning | FGF | Cavalier | 32 min |
| Aug 28, 8:38 AM CDT | Severe Thunderstorm Warning | FGF | Ramsey | 32 min |
| Aug 28, 8:48 AM CDT | Severe Thunderstorm Warning | FGF | Cavalier, Walsh | 32 min |
| Aug 28, 9:24 AM CDT | Severe Thunderstorm Warning | FGF | Pembina | 31 min |
| Aug 28, 9:52 AM CDT | Severe Thunderstorm Warning | FGF | Pembina | 28 min |
| Aug 28, 10:05 AM CDT | Severe Thunderstorm Warning | FGF | Walsh | 30 min |
| Aug 28, 10:18 AM CDT | Severe Thunderstorm Warning | FGF | Pembina | 32 min |
| Aug 28, 10:33 AM CDT | Severe Thunderstorm Warning | FGF | Walsh | 32 min |
| Aug 28, 10:47 AM CDT | Severe Thunderstorm Warning | FGF | Pembina | 28 min |
Nearby
Severe Thunderstorm Warnings in North Dakota, 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.