Alert archive / North Dakota / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 249, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Sep 2, 2000, 11:29 AM CDT for Barnes County, Cass County, North Dakota. It was in force for 31 min. No storm report in the archive falls 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.
The facts
- Issued
- Sep 2, 2000, 11:29 AM CDT (16:29 UTC)
- Expired
- Sep 2, 2000, 12:00 PM CDT
- In force
- 31 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Barnes County, ND, Cass County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 91 km from the middle of the area, began a volume at 16:33 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.
The nearest sounding before it
Aberdeen, SD (KABR), launched 12:00Z, 4.5 hours before the alert went out and 213 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
- 1 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 516 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 91 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KFGF 021629 SVRFAR NDC003-017-021700- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS 1129 AM CDT SAT SEP 2 2000 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHEASTERN BARNES COUNTY IN SOUTHEAST NORTH DAKOTA... SOUTHWESTERN CASS COUNTY IN SOUTHEAST NORTH DAKOTA... * UNTIL NOON CDT * AT 1127 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 3 MILES SOUTHWEST OF LUCCA...OR ABOUT 21 MILES SOUTHEAST OF VALLEY CITY...MOVEMENT WAS TO THE NORTHEAST AT 40 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... FINGAL AT 1130 AM CDT... ALIJCE AT 1140 AM CDT... BUFFALO AT 1150 AM CDT... REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. LAT...LON 4671 9791 4664 9773 4671 9750 4702 9757 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 Sep 2, 10:05 AM CDT, 1 hour 24 minutes earlier.
Area forecast discussion, Sep 2, 10:05 AM CDT, 1 hour 24 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 1005 AM CDT SAT SEP 2 2000 FORECAST PROBLEM FOR TODAY IS PCPN. LATEST VIS AND IR SATELLITE IMAGERY SHOWS CWFA COVERED IN IFR DECK WITH COLDEST CLOUD TOPS WORKING INTO E ND. LATEST MSAS SFC PRESSURE ANALYSIS HAS LOW PRESSURE CENTERED IN SE MT WITH TROF EXTENDING THROUGH W SD TO ANOTHER LOW IN CENTRAL NE. CWFA IS IN MOIST E-SE FLOW. 12Z 850MB UA MAP SHOWS WARM FRONT EXTENDING THROUGH SE ND INTO WC MN... COINCIDENTAL TO WHERE CURRENTLY HAVE STRONGEST CONVECTION. WITH REST OF CWFA GETTING GENERAL SHRA/TSRA DUE TO WAA. WHEN COMPARING MSAS PRESSURE ANALYSIS TO MODELS...ETA MATCHES BEST WITH AVN ALSO CLOSE. MODELS KEEP PCPN OVER CWFA AS SHORTWAVE MOVES THROUGH...WITH BEST POTENTIAL FOR STRONGER STORMS STILL IN S CWFA. ALL IN ALL...CURRENT FORECAST HANDLING SITUATION WELL...WITH ONLY MINOR CHANGES NEEvDED. .FGF...NONE NG
In the hours before
Special weather statement, Sep 2, 6:40 AM CDT, 4 hours 49 minutes before
MNZ001>009-013>017-022>024-027>032-040-NDZ006>008-014>016-024- 026>030-038-039-049-052>054-021400- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 640 AM CDT SAT SEP 2 2000 ...SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND EVENING... SYNOPSIS...LOW PRESSURE IN MONTANA WILL MOVE SOUTHEAST INTO CENTRAL SOUTH DAKOTA THIS AFTERNOON AND INTO SOUTHERN MINNESOTA TONIGHT. WARM AND MOIST AIR WILL MOVE NORTH INTO EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA TODAY AND TONIGHT. SHOWERS AND THUNDERSTORMS WILL GRADUALLY OVERSPREAD EASTERN NORTH DAKOTA TODAY AND REACH NORTHWEST MINNESOTA LATER TODAY AND EVENING. AREA OF CONCERN...THERE IS A RISK OF SEVERE WEATHER THIS AFTERNOON AND EVENING OVER SOUTHEAST NORTH DAKOTA AND WEST CENTRAL MINNESOTA.. .MAINLY SOUTH OF A VALLEY CITY TO FARGO TO PARK RAPIDS LINE. SCATTERED THUNDERSTORMS WILL OCCUR OVER THE REMAINDER OF THE REGION... WITH HEAVY RAIN AND SMALL HAIL POSSIBLE OVER NORTHEAST NORTH DAKOTA INTO NORTHWEST MINNESOTA. TIME...SEVERE THREAT IS BETWEEN 2 PM AND MIDNIGHT. TYPE OF HAZARD...MAINLY LARGE HAIL. RIDDLE NNNN
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 2, 11:56 AM CDT | Severe Thunderstorm Warning | FGF | Cass | 34 min |
| Sep 2, 12:21 PM CDT | Severe Thunderstorm Warning | FGF | Ransom | 29 min |
| Sep 2, 12:43 PM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass | 32 min |
| Sep 2, 1:40 PM CDT | Severe Thunderstorm Warning | FGF | Ransom | 30 min |
| Sep 2, 1:45 PM CDT | Severe Thunderstorm Warning | FGF | Sargent | 30 min |
| Sep 2, 2:18 PM CDT | Severe Thunderstorm Warning | FGF | Ransom, Richland | 32 min |
| Sep 2, 2:43 PM CDT | Severe Thunderstorm Warning | FGF | Cass | 32 min |
| Sep 2, 3:28 PM CDT | Severe Thunderstorm Warning | FGF | Ransom | 32 min |
| Sep 2, 3:33 PM CDT | Severe Thunderstorm Warning | FGF | Sargent | 32 min |
| Sep 2, 3:58 PM CDT | Severe Thunderstorm Warning | FGF | Ransom | 32 min |
| Sep 2, 4:32 PM CDT | Severe Thunderstorm Warning | FGF | Ransom, Richland | 28 min |
| Sep 2, 4:44 PM CDT | Flash Flood Warning | FGF | Cass, Ransom, Richland | 4 hr |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.