Alert archive / North Dakota / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 168, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Aug 8, 2000, 4:08 AM 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
- Aug 8, 2000, 4:08 AM CDT (09:08 UTC)
- Expired
- Aug 8, 2000, 4:50 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), 33 km from the middle of the area, began a volume at 09:08 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 |
|---|---|---|---|
| Aug 8, 4:15 AM CDT | Hail 0.75 | Northwood, 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 00:00Z, 9.1 hours before the alert went out and 273 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
- 1830 J/kg
- Mixed-layer CIN
- -122 J/kg
- Mixed-layer LCL
- 1722 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 182 m²/s²
- 0-3 km storm-relative helicity
- 284 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 2.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KFGF 080909 SVRFAR NDC035-080950- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS 408 AM CDT TUE AUG 8 2000 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... GRAND FORKS COUNTY IN NORTHEAST NORTH DAKOTA... THIS INCLUDES THE CITY OF GRAND FORKS * UNTIL 450 AM CDT * AT 403 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER NORTHWOOD...OR ABOUT 26 MILES SOUTHWEST OF GRAND FORKS...MOVEMENT WAS TO THE NORTHEAST AT 35 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... EMERADO AT 425 AM CDT... GRAND FORKS AT 445 AM CDT... REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. LAT...LON 4774 9772 4768 9750 4783 9701 4809 9716 $$ DJK 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 Aug 8, 3:00 AM CDT, 1 hour 8 minutes earlier.
Area forecast discussion, Aug 8, 3:00 AM CDT, 1 hour 8 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 300 AM CDT TUE AUG 8 2000 FCST CHALLENGE...SVR TSTM THREAT NW MN TDY. ANALYSIS/MODEL GUIDANCE...SFC TROF EXTENDS SWD FM CLOSED LOW ALG SASK/MAN BDR...THROUGH CNTRL ND (JUST WEST OF DVL-JMS) TO ERN NE. VORT MAX IN NRN BRANCH FLOW AS SHOWN GOOD PERSISTANCE FM SRN ALTA LAST NIGHT INTO SERN SASK THIS EVENING. RUC ANALYSIS SHOWS VORT HAS SHEARED INTO TWO CNTRS NOW WITH SRN VORT DROPPING INTO NCNTL ND CLOSE INTO THE LEFT-FRONT QUAD OF APCNG 70KT H3 JET. 00Z ETA VERIFIES WELL WITH THIS FEATURE AND SEEMS TO BE HANDLING CONVECTION IN NERN ND AND SRN MN WELL. TDY...WILL STEER CLOSE TO 00Z ETA PACKAGE...06Z MESOETA IS LESS ROBUST. AVN IS IN CLOSE AGREEMENT. CONVECTION IN NRN RRV HAS MOVED OUT AHEAD OF THE SFC TROF AND HAS BEEN SOMEWHAT MOISTURE STARVED DUE TO SRN MN MCS. HOWEVER ISOLD STRONG CELLS CONTINUE TO POPUP IN MODERATELY UNSTABLE (CAPES 1500-2000) IN ERN ND. EXPECT ISOLD TO WDLY SCT CONVECTION ACROSS ERN ND INTO THE RRV THROUGH EARLY MORNING GENLY NORTH OF I-94. BY MIDDAY...LOW LVL MOISTURE FLUX RECOVERS INTO NW MN AHEAD OF THE SFC TROF. EXPECT SCT CONVECTION TO FIRE ACROSS NW MN BY MIDDAY...AS CONVECTIVE TEMPS FAIRLY LOW. FCST LIS DROP TO MINUS 10 BJI-AXN AT 18Z WITH CAPES TO 3000+J/KG...SO WILL MENTION SVR THREAT ALG AND EAST OF A FFM-BDE LINE. HAIL AND WIND BIGGEST THREAT...ESPECIALLY WITH H3 JET DROPPING INTO AREA AND PUSHING 0-6KM SHEARS TO >30M/S. ERN ND SHOULD SCT OUT LATE MORNING AS SFC TROF SHIFTS INTO RRV. EXPECT SCT SKIES IN RRV THROUGH THE AFTERNOON. MOST AREAS SHOULD SEE MAX TEMPS NEAR CLIMO NORMS...SIMILAR TO LAST COUPLE DAYS AS AIRMASS HAS NOT CHANGED MUCH. LOW LVL MOIST AND WARM ADVECTION AHEAD OF SFC TROF INTO NW MN SHOULD HELP PUMP TEMPS INTO 80 DEGREE RANGE MOST AREAS. TNGT...MID LVL RHS DROP OFF RAPIDLY BEHIND THE SFC TROF AS IT EXITS OUR ERN ZNS THIS EVENING. EXPECT SOME RESIDUAL LOW VFR CIGS IN LAKE COUNTRY THROUGH THE EVENING...WITH CLEARING IN MOST AREAS BY MIDNIGHT. WILL MENTION PATCHY FOG IN NW MN ZONES AS WINDS DROP OFF LATE TONIGHT AND SKIES CLEAR. WIDESPREAD HEAVY PRECIP NOT EXPECTED SO DENSE FOG NOT WORRY ATTM. TMRW...WEAK H5 RIDGING BUILDS BACK INTO THE WRN DKTAS WED WITH SFC HIGH PRES OVR ERN ND. EXPECT FAIR SKIES...WITH TEMPS HOLDING NEAR SEASONAL NORMS. ; .FGF...NONE. GUST
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 3:27 AM CDT | Severe Thunderstorm Warning | FGF | Grand Forks | 28 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.