Alert archive / North Dakota / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 93, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 13, 2001, 10:40 PM CDT for Eddy County, North Dakota. It was in force for 50 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 13, 2001, 10:40 PM CDT (03:40 UTC)
- Expired
- Jul 13, 2001, 11:30 PM CDT
- In force
- 50 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Eddy County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 141 km from the middle of the area, began a volume at 03:41 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
Bismarck Municip, ND (KBIS), launched 00:00Z, 3.7 hours before the alert went out and 158 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
- 1215 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 1854 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- 91 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KFGF 140341 SVRFAR NDC027-140430- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS 1040 PM CDT FRI JUL 13 2001 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WESTERN EDDY COUNTY IN NORTHEAST NORTH DAKOTA. * UNTIL 1130 PM CDT. * AT 1036 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES NORTHWEST OF NEW ROCKFORD...OR ABOUT 32 MILES SOUTHWEST OF DEVILS LAKE...MOVEMENT WAS TO THE SOUTHEAST AT 20 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... SHEYENNE AT 1055 PM CDT... NEW ROCKFORD AT 1100 PM CDT AND BRANTFORD AT |1130 PM CDT. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. LAT...LON 4788 9939 4771 9949 4750 9888 4773 9873 $$ DJK 08 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 13, 9:00 PM CDT, 1 hour 40 minutes earlier.
Area forecast discussion, Jul 13, 9:00 PM CDT, 1 hour 40 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 900 PM CDT FRI JUL 13 2001 MODEL HAVE VORT MAX OVR NE ND MOVG E TNGT. GOOD DRY SLOT MOVG INTO THE CWFA THIS EVE. VIS STLT LOOP HAS VORT MAX OVR SW MAN. AREA 88D'S SHOWING WARM FNTL PRECIP OVR NRN RED RVR VLY AND A SECOND BKN LINE WITH WIND SHFT IN CNTRL ND. WNDS OFF THE SFC FCST TO BECM W/NW BY MORN AND WND HAS BECM W/NW ON KMBX VAD WND IN THE LWR LYRS. ISOLD TSRA HAD DEVELOPED EARLIER ARND FAR BUT HAVE SINCE DSIPTD. MESO ANLYS HAS BEST SFC MSTR CONVERENGE IN CNTRL ND NR BIS WHERE SFC LOW PRES WAS LOCATED. LOWEST LI'S WERE ACRS IN SW ND. BEST PRES FALLS iWERE ALNG THE ND-SD BDR AND WERE WEAK. WL CHECK ZONES. .FGF...NONE. HOPPES
Nearby
Severe Thunderstorm Warnings in North Dakota, 2001Every severe thunderstorm warning in 2001
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.