Alert archive / North Dakota / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 127, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 7, 2000, 11:28 AM CDT for Grand Forks County, North Dakota. It was in force for 47 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 7, 2000, 11:28 AM CDT (16:28 UTC)
- Expired
- Jul 7, 2000, 12:15 PM CDT
- In force
- 47 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Grand Forks County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 47 km from the middle of the area, began a volume at 16:30 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 7, 11:50 AM CDT | Hail 0.75 | Larimore, 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, 4.5 hours before the alert went out and 260 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
- 1735 J/kg
- Mixed-layer CIN
- -209 J/kg
- Mixed-layer LCL
- 712 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 8 m²/s²
- 0-3 km storm-relative helicity
- 55 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KFGF 071628 SVRFAR NDC035-071713- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS 1128 AM CDT FRI JUL 7 2000 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... GRAND FORKS COUNTY IN NORTHEAST NORTH DAKOTA * UNTIL 1215 PM CDT * AT 1125 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 6 MILES WEST OF LOGAN CENTER...OR ABOUT 40 MILES WEST OF GRAND FORKS...MOVEMENT WAS TO THE EAST AT 50 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... LOGAN CENTER AT 1130 AM CDT... LARIMORE AT 1140 AM CDT... ARVILLA AT 1150 AM CDT... EMERADO AT 1155 AM CDT... REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. LAT...LON 4793 9789 4772 9789 4779 9729 4806 9736 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 7, 10:30 AM CDT, 58 minutes earlier.
Area forecast discussion, Jul 7, 10:30 AM CDT, 58 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 1030 AM CDT FRI JUL 7 2000 -14C TEMP REPORTED AT 500 HPA ACRS SRN MAN WHICH IS COOLER THAN MODELS HAVE FCST. SAME AT 700 AND 850 HPA. COOLER AIR THAN XPCD IS CREATING TSRA ACRS CWFA. 88D HAS TSRA OVR GFK COUNTY AND BELTRAMI MOVG E. WL KEEP CHC TSRA FOR TDY. WL CHECK ZONES. .FGF...NONE. HOPPES
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 2:21 AM CDT | Severe Thunderstorm Warning | FGF | Cass | 29 min |
| Jul 7, 2:49 AM CDT | Severe Thunderstorm Warning | FGF | Cass | 31 min |
| Jul 7, 4:44 AM CDT | Severe Thunderstorm Warning | FGF | Cavalier, Towner | 31 min |
| Jul 7, 6:03 AM CDT | Severe Thunderstorm Warning | FGF | Ramsey, Walsh | 32 min |
| Jul 7, 6:18 AM CDT | Severe Thunderstorm Warning | FGF | Eddy | 32 min |
| Jul 7, 6:37 AM CDT | Severe Thunderstorm Warning | FGF | Walsh | 28 min |
| Jul 7, 6:52 AM CDT | Severe Thunderstorm Warning | FGF | Eddy, Nelson | 28 min |
| Jul 7, 7:05 AM CDT | Severe Thunderstorm Warning | FGF | Benson | 30 min |
| Jul 7, 9:45 AM CDT | Severe Thunderstorm Warning | FGF | Nelson | 30 min |
| Jul 7, 10:11 AM CDT | Severe Thunderstorm Warning | FGF | Grand Forks | 29 min |
| Jul 7, 10:52 AM CDT | Severe Thunderstorm Warning | FGF | Nelson, Walsh | 28 min |
| Jul 7, 11:20 AM CDT | Severe Thunderstorm Warning | FGF | Griggs, Nelson | 30 min |
| Jul 7, 11:43 AM CDT | Severe Thunderstorm Warning | FGF | Steele | 32 min |
| Jul 7, 11:52 AM CDT | Flash Flood Warning | FGF | Grand Forks | 6 hr |
| Jul 7, 11:52 AM CDT | Flash Flood Warning | FGF | Grand Forks, Nelson | 6 hr |
| Jul 7, 12:15 PM CDT | Severe Thunderstorm Warning | FGF | Steele, Traill | 45 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.