Alert archive / North Dakota / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 67, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 12, 2000, 11:48 PM CDT for Grand Forks County, North Dakota. It was in force for 42 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
- Jun 12, 2000, 11:48 PM CDT (04:48 UTC)
- Expired
- Jun 13, 2000, 12:30 AM CDT
- In force
- 42 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), 48 km from the middle of the area, began a volume at 04:49 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 13, 12:10 AM CDT | Hail 0.75 | Arvilla, 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 12, 10:00 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 4.8 hours before the alert went out and 274 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
- 1445 J/kg
- Mixed-layer CIN
- -53 J/kg
- Mixed-layer LCL
- 1745 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 93 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 3.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KFGF 130447 SVRFAR NDC035-130530- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS 1148 PM CDT MON JUN 12 2000 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... GRAND FORKS COUNTY IN NORTHEAST NORTH DAKOTA * UNTIL 1230 AM CDT * AT 1139 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 2 MILES NORTH OF KEMPTON...OR ABOUT 25 MILES WEST OF GRAND FORKS...MOVING NORTHEAST AT 20 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... EMERADO AT 1210 AM CDT HONEYFORD AT 1215 AM CDT MANVEL AT 1230 AM CDT REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. LAT...LON 4787 9776 4775 9756 4803 9709 4818 9734 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 Jun 12, 8:20 PM CDT, 3 hours 28 minutes earlier.
Area forecast discussion, Jun 12, 8:20 PM CDT, 3 hours 28 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 820 PM CDT MON JUN 12 2000 SVR WEATHER IS THE FOCUS THIS EVENING. SFC LOW IN FAR NW SD WITH WARM FRONT FROM JUST NORTH OF BIS TO JUST NORTH OF GFK TO FAR NW MN. STORMS CONTINUE ALONG THIS BOUNDARY WHERE GOOD THETA-E ADVECTION AND MOISTURE COVERGENCE. RUC SHOWS 85H JET INCREASING FROM CNTRL INTO CNTRL ND ATTM WITH 85H WINDS BEGINNING TO WASH BOUNDARY IN NE ND OUT. EARLIER GOES IMAGERY SHOWS 5000 J/KG CAPE ESTIMATE OVER SRN CWFA. EXPECT...TSTMS TO CONTINUE ALONG FRONT AND BUILD WEST INTO CNTRL ND. MIGHT BE A BRIEF LULL IN ACTIVITY...BUT TSTMS IN SW ND WILL INCREASE AS IT MOVES EAST TOWARD LLJ AND LOOKS LIKE MCS POTENTIAL OVERNIGHT FOR MUCH OF CWFA. ZFP ATTM LOOKS GOOD AND WILL TWEEK WITH WATCH EXPIRATION/NEW WATCH CLOSER TO 10 PM. .FGF...NONE RIDDLE @
In the hours before
Local storm report, Jun 12, 9:06 PM CDT, 2 hours 42 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA/GRAND FORKS
906 PM CDT MON JUN 12 2000
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0359 PM 3 W GRAFTON ND .88 INCH HAIL
06/12/00 WALSH
0420 PM GRAFTON ND .75 INCH HAIL
06/12/00 WALSH
0455 PM GRAFTON ND .88 INCH HAIL
06/12/00 WALSH
0500 PM 3 NE ANETA ND .88 INCH HAIL
06/12/00 NELSON
0515 PM 5 NE GRAFTON ND WIND DAMAGE
06/12/00 WALSH THUNDERSTORM WINDS DOWNED
TREES
0521 PM 5 NE GRAFTON ND WIND DAMAGE
06/12/00 WALSH THUNDERSTORM WIND DOWNED
TREES.
0525 PM 3 NE ANETA ND 1 INCH HAIL
06/12/00 NELSON
0535 PM 3 NE ANETA ND 1 INCH HAIL
06/12/00 NELSON
0542 PM 8 W LARIMORE ND .75 INCH HAIL
06/12/00 GRAND FORKS
0600 PM 3 NE ANETA ND 1.75 INCH HAIL
06/12/00 NELSON
0610 PM 7 W LARIMORE ND .75 INCH HAIL
06/12/00 GRAND FORKS
0635 PM 8 W LARIMORE ND TORNADO
06/12/00 GRAND FORKS TRAINED SPOTTER REPORTED
200-300 FT WIDE TORNADO ON
THE GROUND IN OPEN
COUNTRY.
0635 PM 5 W LARIMORE ND .75 INCH HAIL
06/12/00 GRAND FORKS
0703 PM 5 W GRAND FORKS AFB ND TORNADO
06/12/00 GRAND FORKS BRIEF TOUCHDOWN REPORTED
BY OBSERVERS AT THE GRAND
FORKS AIR FORCE BASE
TOWER.
0715 PM HANNAFORD ND .75 INCH HAIL
06/12/00 GRIGGS
0735 PM HONEYFORD ND .88 INCH HAIL
06/12/00 GRAND FORKS
NNNNThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 12, 7:23 PM CDT | Tornado Warning | FGF | Grand Forks | 32 min |
| Jun 12, 7:25 PM CDT | Severe Thunderstorm Warning | FGF | Nelson | 30 min |
| Jun 12, 7:53 PM CDT | Severe Thunderstorm Warning | FGF | Nelson | 47 min |
| Jun 12, 7:55 PM CDT | Tornado Warning | FGF | Grand Forks | 30 min |
| Jun 12, 8:12 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks | 33 min |
| Jun 12, 8:25 PM CDT | Severe Thunderstorm Warning | FGF | Eddy | 30 min |
| Jun 12, 8:39 PM CDT | Severe Thunderstorm Warning | FGF | Nelson | 46 min |
| Jun 12, 8:43 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks | 47 min |
| Jun 12, 8:54 PM CDT | Severe Thunderstorm Warning | FGF | Eddy | 31 min |
| Jun 12, 9:18 PM CDT | Tornado Warning | FGF | Grand Forks | 32 min |
| Jun 12, 9:23 PM CDT | Severe Thunderstorm Warning | FGF | Nelson | 32 min |
| Jun 12, 9:54 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks | 46 min |
| Jun 12, 9:59 PM CDT | Severe Thunderstorm Warning | FGF | Eddy, Nelson | 31 min |
| Jun 12, 10:37 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks | 28 min |
| Jun 12, 10:40 PM CDT | Severe Thunderstorm Warning | FGF | Nelson | 30 min |
| Jun 12, 10:43 PM CDT | Flash Flood Warning | FGF | Grand Forks, Nelson | 2 hr |
| Jun 12, 11:06 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks | 44 min |
| Jun 13, 12:01 AM CDT | Severe Thunderstorm Warning | FGF | Nelson | 44 min |
| Jun 13, 12:18 AM CDT | Severe Thunderstorm Warning | FGF | Griggs | 32 min |
| Jun 13, 12:40 AM CDT | Flash Flood Warning | FGF | Eddy, Grand Forks, Nelson | 6 hr |
| Jun 13, 12:44 AM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Steele | 46 min |
| Jun 13, 2:17 AM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass | 43 min |
| Jun 13, 3:19 AM CDT | Severe Thunderstorm Warning | FGF | Grand Forks | 46 min |
| Jun 13, 6:46 PM CDT | Severe Thunderstorm Warning | FGF | Griggs | 29 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.