Alert archive / North Dakota / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 89, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 29, 2000, 9:33 PM CDT for Griggs County, North Dakota. It was in force for 32 min. 2 reports 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
- Jun 29, 2000, 9:33 PM CDT (02:33 UTC)
- Expired
- Jun 29, 2000, 10:05 PM CDT
- In force
- 32 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties
County Griggs County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 69 km from the middle of the area, began a volume at 02:36 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 29, 9:41 PM CDT | Hail 1 | Cooperstown, ND | |
| Jun 29, 9:58 PM CDT | Hail 0.75 | Cooperstown, 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, 2.6 hours before the alert went out and 201 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
- 211 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 2594 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 59 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
850 WUUS53 KFGF 300233 SVRFAR NDC039-300305- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 933 PM CDT THU JUN 29 2000 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... GRIGGS COUNTY IN SOUTHEASTERN NORTH DAKOTA * UNTIL 1005 PM CDT * AT 932 PM CDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 39 MILES NORTH OF VALLEY CITY OR 3 MILES NORTH OF COOPERSTOWN... MOVING SOUTHEAST AT 10 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... COOPERSTOWN AT 944 PM CDT DURING THUNDERSTORMS YOU SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DO NOT USE TELEPHONES OR ELECTRICAL APPLIANCES. BRAZZELL N
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 8:20 PM CDT | Severe Thunderstorm Warning | FGF | Benson | 35 min |
| Jun 29, 8:44 PM CDT | Severe Thunderstorm Warning | FGF | Eddy | 31 min |
| Jun 29, 9:16 PM CDT | Severe Thunderstorm Warning | FGF | Eddy | 34 min |
| Jun 29, 9:53 PM CDT | Severe Thunderstorm Warning | FGF | Steele | 32 min |
| Jun 29, 10:24 PM CDT | Severe Thunderstorm Warning | FGF | Steele | 36 min |
| Jun 29, 11:38 PM CDT | Severe Thunderstorm Warning | FGF | Benson | 32 min |
| Jun 29, 11:47 PM CDT | Severe Thunderstorm Warning | FGF | Eddy | 33 min |
| Jun 30, 12:19 AM CDT | Severe Thunderstorm Warning | FGF | Eddy | 36 min |
| Jun 30, 12:45 AM CDT | Severe Thunderstorm Warning | FGF | Nelson | 35 min |
| Jun 30, 2:17 AM CDT | Severe Thunderstorm Warning | FGF | Nelson | 33 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; radar from the NEXRAD Level II archive.