Alert archive / North Dakota / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 50, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 13, 2001, 5:49 PM CDT for Ransom County, North Dakota. It was in force for 26 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
- Jun 13, 2001, 5:49 PM CDT (22:49 UTC)
- Expired
- Jun 13, 2001, 6:15 PM CDT
- In force
- 26 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Ransom County, ND
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 13, 5:30 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 12:00Z, 10.8 hours before the alert went out and 181 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1179 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 82 m²/s²
- 0-3 km storm-relative helicity
- 211 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KFGF 132249 SVRFAR NDC073-132315- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS 549 PM CDT WED JUN 13 2001 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CENTRAL RANSOM COUNTY IN SOUTHEAST NORTH DAKOTA... * UNTIL 615 PM CDT * AT 545 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 3 MILES WEST OF LISBON...OR ABOUT 36 MILES SOUTH OF VALLEY CITY...MOVEMENT WAS TO THE NORTHEAST AT 25 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... ANSELM AT 610 PM CDT... ENDERLIN AT 615 PM CDT... REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT WEDNESDAY EVENING FOR NORTHWESTERN MINNESOTA AND EASTERN NORTH DAKOTA. LAT...LON 4642 9791 4634 9768 4663 9738 4u663 9773 $$ 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 13, 2:20 PM CDT, 3 hours 29 minutes earlier.
Area forecast discussion, Jun 13, 2:20 PM CDT, 3 hours 29 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 220 PM CDT WED JUN 13 2001 FORECAST CHALLENGE WILL BE CONVECTIVE THREAT THROUGHOUT .OVERVIEW... LATEST ANALYSIS SHOWS MAIN SFC LOW OVER SOUTHEAST SD...WITH INVERTED TROUGH STRETCHING NORTH/NORTHEAST INTO EASTERN FA. DEWPOINTS ARE AROUND 60 ALONG TROUGH...AND HIGHER TO SOUTH AND EAST. MORE STABLE AND DRIER AIR AT THE SFC IS IN PLACE TO THE WEST OF INVERTED TROUGH WITH DEWPOINTS IN THE LOW AND MIDDLE 50S. MODELS ARE HAVING A TOUGH TIME RESOLVING DETAILS WITH THIS COMPLEX UPPER LOW EJECTING OUT OF ROCKIES. HAVE LEANED TOWARDS THE AVN SFC PLACEMENT OF SYSTEM...BUT TRENDED TOWARDS ETA MOISTURE FIELDS. .SHORT TERM... WEAK NVA AND ASSOCIATED Q VECTOR DIVERGENCE WILL KEEP THE NORTHERN 2/3 OF THE FA MOSTLY DRY OVERNIGHT...WITH JUST SOME SCATTERED SHOWERS. IN THE SOUTHERN 1/3 OF THE AREA...CLOSER TO THE INVERTED TROUGH AND DEEPER MOISTURE...I EXPECT MORE IN THE WAY OF SCATTERED THUNDERSTORMS. LI/S APPROACH -3C WITH CAPES NEAR 1000 J/KG HERE BY 00Z COUPLED WITH 55KT SPEED MAX AT 500MB. THIS COUPLED WITH MODEST SFC CONVERGENCE SHOULD AID THUNDERSTORMS. WITH PRECIPITABLE WATERS NEAR 1.50 INCHES...AND 850MB JET INCREASING TO NEAR 45KT BY 00Z...ANY THUNDERSTORMS WHICH DEVELOP SHOULD PRODUCE HEAVY RAIN. WITH UPPER FLOW PARALLELING INVERTED TROUGH NEAR SOUTHERN FA...WILL ISSUE FLASH FLOOD WATCH FOR EXTREME SOUTHERN FA TONIGHT. .LONG TERM... ON THURSDAY...UPPER LOW BEGINS TO EJECT NORTHEAST...WITH SFC LOW MOVING INTO SOUTHEAST SD BY 00Z FRI. AHEAD OF FEATURE 850MB MOISTURE CONVERGENCE AND JET INCREASE. IN ADDITION...DEFORMATION NEAR 500MB AND LARGE SCALE LIFT PER 850-500MB Q VECTOR CONVERGENCE INCREASE AROUND 00Z. THIS SHOULD PROMOTE SHOWER AND THUNDERSTORM DEVELOPMENT DURING THE AFTERNOON. LI/S APPROACH -4C WITH 1500J/KG CAPES BY AFTERNOON IN SOUTHEAST...SO MAY EVEN SEE A FEW SEVERE STORMS WITH GOOD 0-6KM SHEAR. ON THURSDAY NIGHT...DEFORMATION RAIN SHOULD DEVELOP...AND MAY EVEN BE HEAVY AT TIMES WITH QPF AMOUNTS NEAR 1 INCH. IN ADDITION...LEFT EXIT REGION OF 300MB 120KT COUPLED JET STRUCTURE WILL ALSO AID LARGE SCALE LIFT...WITH PRECIPITABLE WATER/S NEAR 1.50 INCHES. WILL ISSUE SPS TO HIGHTLIGHT THU AFTERNOON INTO EARLY FRIDAY HEAVY RAIN POTENTIAL FOR THUNDERSTORMS IN SOUTHERN FA...AND DEFORMATION RAIN FURTHER NORTH. LOW SLOWLY LIFTS NORTHEAST INTO ONTARIO FRIDAY...AND A DRIER AIR WILL FILTER IN ALONG WITH SOME SUNNY BREAKS BY AFTERNOON. WILL BRING DECREASING CLOUDS INTO WEST ON FRIDAY. .EXTENDED...LONG RANGE MODELS IN GOOD AGREEMENT THRU THE PD WITH ALL ADVERTISING CHANGE TO MORE ZONAL FLOW OVER THE REGION. ONE WEAK SHRT WV PASSES THRU THE REGION LATE IN THE WEEK...BUT WITH ZONAL FLOW THIS FEATURE SHOULD BE OUT OF THE AREA PRIOR TO START OF EXTENDED. SYS DIVING INTO THE PAC NW ON MON TO SHIFT 5H FLOW A BIT MORE SW WITH UNSETTLED WX RETURNING TO THE REGION AFTER A DRY WEEKEND WITH BEST CHC FOR PCPN MON NIGHT/TUE MORNING. PAC NW SYS SHEARS OUT IN ZONAL FLOW AND MOVES THRU ON WED BRINGING A CHC FOR SHOWERS THEN. WARMEST READINGS EXPECTED ON MON WITH REMAINDER OF EXTENDED SEASONAL OR SLIGHTLY BLO NORMAL. .FGF...FLASH FLOOD WATCH TONIGHT FOR RANSOM...SARGENT...RICHLAND...WILKIN...GRANT...OTTERTAIL...HUBBARD AND WADENA. KELLENBENZ/TURNER
In the hours before
Special weather statement, Jun 13, 4:01 PM CDT, 1 hour 48 minutes before
MNZ002-003-022>024-027>032-040-NDZ028>030-038-039-049-052-053-132255- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 401 PM CDT WED JUN 13 2001 ...SEVERE THUNDERSTORMS ARE POSSIBLE TONIGHT OVER SOUTHEAST NORTH DAKOTA AND WEST CENTRAL MINNESOTA... SYNOPSIS...LOW PRESSURE OVER NORTHEAST SOUTH DAKOTA WITH ASSOCIATED WARM FRONT RUNNING UP INTO WEST CENTRAL MINNESOTA. THIS IS CAUSING A WARM...MOIST AND UNSTABLE AIRMASS TO SURGE NORTHWARD INTO THE REGION. THUNDERSTORMS ARE EXPECTED TO DEVELOP IN THE NEXT FEW HOURS AND BECOME SEVERE. AREA OF CONCERN...A MODERATE RISK OF SEVERE WEATHER IS FORECAST SOUTH AND EAST OF A LINE FROM FORMAN UP TO FARGO AND EAST TO PARK RAPIDS. A SLIGHT RISK OF SEVERE WEATHER IS FORECAST SOUTH OF A LINE FROM MAYVILLE TO BEMIDJI. TIME...430 PM TO 11 PM. TYPE OF HAZARD...MAIN THREATS WILL BE TORNADOES AND LARGE HAIL ALONG AND NORTH OF THE WARM FRONT. DONAVON
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 13, 1:49 AM CDT | Flash Flood Warning | FGF | Benson, Eddy, Ramsey | 6 hr |
| Jun 13, 6:09 PM CDT | Severe Thunderstorm Warning | FGF | Cass | 51 min |
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.