Alert archive / North Dakota / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 115, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 7, 2000, 4:44 AM CDT for Cavalier County, Towner 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
- Jul 7, 2000, 4:44 AM CDT (09:44 UTC)
- Expired
- Jul 7, 2000, 5:15 AM CDT
- In force
- 31 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Cavalier County, ND, Towner County, ND
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 9.7 hours before the alert went out and 240 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
- 2179 J/kg
- Mixed-layer CIN
- -34 J/kg
- Mixed-layer LCL
- 1212 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 89 m²/s²
- 0-3 km storm-relative helicity
- 409 m²/s²
- Significant tornado parameter
- 3.5
- Supercell composite
- 29.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KFGF 070944 SVRFAR NDC019-095-071015- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS 444 AM CDT FRI JUL 7 2000 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHWESTERN CAVALIER COUNTY IN NORTHEAST NORTH DAKOTA SOUTHERN TOWNER COUNTY IN NORTHEAST NORTH DAKOTA * UNTIL 515 AM CDT * AT 442 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 3 MILES SOUTHWEST OF ARNDT...OR ABOUT 38 MILES NORTHWEST OF DEVILS LAKE...MOVEMENT WAS TO THE EAST AT 40 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... ARNDT AT 445 AM CDT... EGELAND AT 450 AM CDT... CALIO AT 500 AM CDT... MUNICH AT 510 AM CDT... REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. LAT...LON 4869 9939 4851 9938 4855 9863 4873 9861 NNNN 06
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, 3:50 AM CDT, 54 minutes earlier.
Area forecast discussion, Jul 7, 3:50 AM CDT, 54 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 350 AM CDT FRI JUL 7 2000 FCST CHALLLENGE...SVR THREAT THIS AM. ADDN TSTMS TNGT. NEAR TERM...TSTMS ROUNDING THE THICKNESS RIDGE IN SRN MAN ARE BEGINNING TO DROP SEWD TOWARD NRN MN...WHILE ADDN CONVECTION DEVELOPS ACROSS THE RRV INTO NW MN...AND ALG THE SFC BNDRY FM SRN MAN INTO ERN MT. 00Z ETA AND 06Z MESOETA MAINTAIN FAIR AMOUNT OF INSTABILITY ACRS THE CWFA TDY WITH GOOD DEEP LAYER SHEAR THROUGHTHE MORNING HOURS. POSSIBLE BOWECHO FORMATION OCCURRING EAST OF MOT AND MOVING INTO NERN ND. 90+KT H3 JET STREAK EVIDENT LIFTING FM MLS INTO ISN ATTM PROVIDING DANGEROUS KICK TO ANY ACTIVITY. WILL NEED TO CLOSELY WATCH ANY DEVELOPMENT...WITH BIGGEST THREAT ACROSS NCNTRL AND NERN ND THIS AM. MODELS CONTINUE TO FCST PCPN DEVELOPING DOWN INTO THE RRV AND NW MN THROUGH TDY...SO WILL KEEP POPS IN SCT TO LIKELY REALM TDY AND TNGT. WILL DROP FFW SINCE STORMS ARE MOVING RAPIDLY WITH GOOD STEERING FLOW. LOCAL RAINS MAY BE HEAVY AT TIMES BUT TRAINING ECHOS ARE NOT LIKELY. WILL NEED TO WATCH SITUATION IF MULTIPLE ECHO PASSES SEEMS A POSSIBILITY. MID TERM...ETA DRIVES NEXT VORT ACROSS SRN ZONES ON SAT WHILE KEEPING NORTHERN ZONES ON DRIER NORTH END OF WEAK BOUNDARY. FOR NOW THIS SEEMS LIKE A REASONABLE DEPICTION WITH SOME AGREEMENT FM NGM. AVN STAYS DRY. EXTENDED...NOT MUCH TIME TO LOOK AT EXTENDED. WILL STAY WITH PREVIOUS PACKAGE. .FGF...NONE. GUST q
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, 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, 11:28 AM CDT | Severe Thunderstorm Warning | FGF | Grand Forks | 47 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; the sounding from the Mesonet's radiosonde archive.