Alert archive / North Dakota / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 95, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 16, 2001, 5:03 PM CDT for Grand Forks County, North Dakota. It was in force for 42 min. 2 reports 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 16, 2001, 5:03 PM CDT (22:03 UTC)
- Expired
- Jul 16, 2001, 5:45 PM 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), 52 km from the middle of the area, began a volume at 22:07 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 16, 5:25 PM CDT | Hail 0.75 | Grand Forks Afb, ND | |
| Jul 16, 5:25 PM CDT | Thunderstorm Wind 59 M | Grand Forks Afb, 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, 10.1 hours before the alert went out and 284 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
- 203 J/kg
- Mixed-layer CIN
- -69 J/kg
- Mixed-layer LCL
- 791 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 26 m²/s²
- 0-3 km storm-relative helicity
- 52 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 162203 SVRFAR NDC035-162245- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS 503 PM CDT MON JUL 16 2001 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHEASTERN GRAND FORKS COUNTY IN NORTHEAST NORTH DAKOTA. * UNTIL 545 PM CDT. * AT 502 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 3 MILES SOUTHWEST OF GRAND FORKS AFB...OR ABOUT 16 MILES WEST OF GRAND FORKS...MOVEMENT WAS TO THE NORTHEAST AT 15 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... GRAND FORKS AFB AT 505 PM CDT... MEKINOCK AT 520 PM CDT AND MANVEL AT 545 PM CDT. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. LAT...LON 4795 9757 4782 9738 4805 9709 4818 9732 $$ 14 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 16, 3:30 PM CDT, 1 hour 33 minutes earlier.
Area forecast discussion, Jul 16, 3:30 PM CDT, 1 hour 33 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 330 PM CDT MON JUL 16 2001 .SHORT TERM... LONG WV PAT FCST TO CONT WITH LONG WV RIDGE OVR THE PLNS AND TROFS NR THE CSTS. IN THE SHORT TERM UPR AIR PAT ESSENTIALLY REMAINS UNCHANGED WITH A TROF ON THE W CST AND A RIDGE OVR THE PLNS. KMVX 88D SHOWING PRECIP REMAINING ACRS FAR NRN COUNTIES WITH CIRC CNTR. CNTR CONTS TO MOV NE. VIS STLT LOOP HAS CU FIELD W OF THE RED RVR WITH A FEW SHRA OVR NW ZONES. WL INCLUDE SCT EVE SHRA OVR NRN COUNTIES. WATER VAPOR LOOP SHOWS A WV OVR THE WRN DAKOTAS AND WL MOV ACRS THE NRN PLNS TNGT. AN UPR LVL JET WL MOV INTO NEB OVNGT WITH SOME COLD AIR SUPPORT ON THE N SIDE. 850 THETA-E RIDGE OVR ERN SD TO MOV NE TNGT. MESO ANLYS HAS BEST INSTABILITIES ACRS SD AND FARTHER S AND SO WL THE THE BEST CHC OF TSRA. HOWEVER WL PLACE LOW POPS IN SRN COUNTIES OVNGT. ALSO WL INCUDE SOME FOG TWRD MORN WITH HI DWPNTS AND LGT WNDS. WATER VAPOR HAS ANOTHER UPR LVL WV OVR NV. TIMING OF WVS INTO THE NRN PLNS WL REMAIN A PROBLEM AND WL KEEP CHC TSRA IN FCST. .EXTENDED...STATUS QUO IN THE EXTENDED FORECAST AS TROUGH TO THE WEST AND RIDGE FROM THE CENTRAL US TO THE GREAT LAKES KEEPS THE FORECAST AREA IN SOUTHWEST FLOW ALOFT. STILL THE GREATEST CHALLENGE IN TIMING EMBEDDED SHORT WAVES. ALTHOUGH CAN NOT RULE OUT A CHANCE OF SHOWERS AND THUNDERSTORMS AT ANY TIME THROUGH SUNDAY...WILL WORD AS MAINLY LATE AFTERNOON AND NIGHT TIME THUNDER TO TRY AND GIVE THE PERCEPTION THAT IT WILL NOT BE A TOTAL WASHOUT. TEMPERATURES RIGHT ABOUT NORMAL TO SLIGHTLY ABOVE THROUGH THE PERIOD. .FGF...NONE. HOPPES/BRAZZELL
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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.