Alert archive / North Dakota / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 26, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 9, 2001, 10:14 PM CDT for Sargent County, North Dakota. It was in force for 46 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
- Jun 9, 2001, 10:14 PM CDT (03:14 UTC)
- Expired
- Jun 9, 2001, 11:00 PM CDT
- In force
- 46 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Sargent County, ND
The radar
The Aberdeen radar (KABR), 81 km from the middle of the area, began a volume at 03:16 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 9, 10:30 PM CDT | Hail 0.75 | Cogswell, ND | |
| Jun 9, 10:30 PM CDT | Thunderstorm Wind | Cogswell, ND | Branches were blown down. |
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 9, 8:15 PM CDT | Tornado Watch | SPC | 3 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 3.2 hours before the alert went out and 134 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
- 1849 J/kg
- Mixed-layer CIN
- -51 J/kg
- Mixed-layer LCL
- 1555 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- -8 m²/s²
- 0-3 km storm-relative helicity
- 153 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KFGF 100315 SVRFAR NDC081-100400- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS 1014 PM CDT SAT JUN 9 2001 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHWESTERN SARGENT COUNTY IN SOUTHEAST NORTH DAKOTA... * UNTIL 1100 PM CDT * AT 1008 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 8 MILES SOUTHWEST OF CRETE...OR ABOUT 56 MILES SOUTH OF VALLEY CITY...MOVEMENT WAS TO THE SOUTHEAST AT 50 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... STRAUBVILLE AT 1015 PM CDT... COGSWELL AT 1020 PM CDT... BRAMPTON AT 1025 PM CDT... HAVANA AT 1035 PM CDT... REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT SATURDAY EVENING FOR NORTHEAST NORTH DAKOTA. LAT...LON 4624 9798 4604 9814 4571 9745 4589 9727 $$ RJT 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 9, 8:24 PM CDT, 1 hour 50 minutes earlier.
Area forecast discussion, Jun 9, 8:24 PM CDT, 1 hour 50 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 820 PM PM CDT SAT JUN 9 2001 FORECAST CONCERN IS ONGOING CONVECTION AND SEVERE THREAT SFC LOW CURRENTLY IN WEST CENTRAL SD...WITH WARM FRONT ARCING NORTHEAST INTO SE ND INTO CENTRAL ND. CAPES TO 3500 IN CENTRAL ND INTO SOUTHEAST ND ALONG AND JUST NORTH OF WARMFRONT...WITH SFC DEWPOINTS NEAR 65. CONVECTION IN NORTHEAST ND IN WATCH 385 IS HAVING TROUBLE DEVELOPING...AS DRIER 850MB AIR REMAINS AS CONVECTION TO SOUTH TAPS DEEPER MOISTURE. AS 50KT 500MB SPEED MAX AND 250MB DIVERGENCE MOVE TO NEAR THE RED RIVER VALLEY AROUND 06Z...THIS SHOULD CONTINUE TO AID CONVECTION AS IT THEN MOVES EAST INTO MN ZONES AFTER 06Z. WITH 850 THETA E INCREASING TO AROUND 340K...AND STRENGTH OF UPPER VORT MAX AND CAPES TO AROUND 2000 J/KG SHOULD HELP AID DEVELOPING BOW ECHO LATER TONIGHT. POTENTIAL FOR WIND DAMAGE ALONG WITH LARGE HAIL IS MAIN THREAT...ESPECIALLY IN SOUTHERN 1/3 OF NEAR SFC WARMFRONT CLOSER TO HIGHER SFC DEWPOINTS. .FGF...SEVERE THUNDERSTORM WATCH FOR NORTHEAST ND UNTIL 11 PM...TORNADO WATCH FOR EXTREME SOUTHEAST ND UNTIL 11 PM. KELLENBENZ
In the hours before
Special weather statement, Jun 9, 9:03 PM CDT, 1 hour 11 minutes before
NDZ006>008-014>016-024-026-027-054-100405- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 903 PM CDT SAT JUN 9 2001 ...SEVERE THUNDERSTORM WATCH NUMBER 385 FOR NORTHEAST NORTH DAKOTA WILL BE CANCELLED... THE SEVERE THUNDERSTORM WATCH THAT WAS IN EFFECT FOR NORTHEAST NORTH DAKOTA UNTIL 11 PM CDT WILL BE CANCELLED. SOME THUNDERSTORMS WILL MOVE ACROSS NORTHEAST NORTH DAKOTA TONIGHT...BUT THE STORMS ARE NOT EXPECTED TO BE SEVERE. THE STORMS ARE CAPABLE OF PRODUCING WIND GUSTS TO 45 MPH...HEAVY RAIN ALONG WITH PEA SIZE HAIL. DJK
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.