Alert archive / North Dakota / Tornado Warnings in 2010
Tornado Warning 101, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Aug 1, 2010, 8:10 PM CDT for Cavalier County, Ramsey County, Towner County, North Dakota. It was in force for 65 min. 4 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 1, 2010, 8:10 PM CDT (01:10 UTC)
- Expired
- Aug 1, 2010, 9:15 PM CDT
- In force
- 65 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
Counties Cavalier County, ND, Ramsey County, ND, Towner County, ND
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 1, 8:15 PM CDT | TSTM WND DMG | Rocklake, ND | 10 INCH DIAMETER TREES FELLED. GARAGE PUSHED OFF FOUNDATION. LEG OF A FERTILIZER PLANT TOPPLED OVER. REPORTED BY ND ARB OBSERVER. |
| Aug 1, 8:20 PM CDT | TORNADO 1 | 5 Se Rocklake, ND | TORNADO TRACKED FOR NEARLY 20 MILES TO AROUND 5 ESE OF MUNICH BY 855 PM CDT. DURING MUCH OF THIS TRACK THE TORNADO WAS LIKELY ENVELOPED IN HEAVY RAINS AND STRONG DOWN BURST WINDS WITH THE FUNNEL BREIFLY VISIBLE AT TIMES. THE TORNADO BROKE DOWN TWO WOODEN POWER |
| Aug 1, 8:20 PM CDT | TORNADO | 5 Se Rocklake, ND | NWS STORM DAMAGE CONFIRMS WEAK EF1 TORNADO FROM ABOUT 5 MILES SOUTHEAST OF ROCKLAKE TO 5 MILES EAST OF MUNICH. |
| Aug 1, 8:40 PM CDT | TSTM WND DMG | Munich, ND | 16 INCH TREES SNAPPED,POSSIBLE FUNNEL CLOUD BUT RAIN WRAPPING PRECLUDES DEFINITIVE DETERMINATION. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 1.2 hours before the alert went out and 249 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
- 1681 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 1013 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 75 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 2.5
The text
As transmitted, in the capitals the NWS used until 2016.
199 WFUS53 KFGF 020110 TORFGF NDC019-071-095-020215- /O.NEW.KFGF.TO.W.0101.100802T0110Z-100802T0215Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 810 PM CDT SUN AUG 1 2010 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * TORNADO WARNING FOR... SOUTHWESTERN CAVALIER COUNTY IN NORTHEAST NORTH DAKOTA... NORTH CENTRAL RAMSEY COUNTY IN NORTHEAST NORTH DAKOTA... CENTRAL TOWNER COUNTY IN NORTHEAST NORTH DAKOTA... * UNTIL 915 PM CDT * AT 806 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE STORM WAS LOCATED 3 MILES SOUTHEAST OF ROCKLAKE...OR 38 MILES WEST OF LANGDON...MOVING TO THE SOUTHEAST AT 30 MPH. * THE TORNADIC STORM WILL BE NEAR... EGELAND AROUND 820 PM CDT. CLYDE AROUND 830 PM CDT. NEWVILLE AND CALIO AROUND 835 PM CDT. MUNICH AROUND 840 PM CDT. THEREAFTER SOME OTHER LOCATIONS IMPACTED BY THE TORNADIC STORM INCLUDE STARKWEATHER AND HAMPDEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING. && LAT...LON 4872 9848 4834 9875 4861 9947 4886 9923 TIME...MOT...LOC 0110Z 295DEG 28KT 4874 9916 $$ VOELKER
2 follow-up statements
635 WWUS53 KFGF 020144 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 844 PM CDT SUN AUG 1 2010 NDC019-071-095-020215- /O.CON.KFGF.TO.W.0101.000000T0000Z-100802T0215Z/ RAMSEY ND-CAVALIER ND-TOWNER ND- 844 PM CDT SUN AUG 1 2010 ...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL TOWNER... SOUTHWESTERN CAVALIER AND NORTH CENTRAL RAMSEY COUNTIES IN NORTHEAST NORTH DAKOTA UNTIL 915 PM CDT... AT 838 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 2 MILES SOUTHWEST OF MUNICH...OR 24 MILES WEST OF LANGDON...MOVING TO THE SOUTHEAST AT 30 MPH. THE TORNADIC STORM WILL BE NEAR... ALSEN AROUND 850 PM CDT. HAMPDEN AROUND 900 PM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING. && LAT...LON 4872 9848 4834 9875 4861 9947 4886 9923 TIME...MOT...LOC 0143Z 295DEG 28KT 4863 9881 $$ VOELKER
358 WWUS53 KFGF 020213 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 913 PM CDT SUN AUG 1 2010 NDC019-071-095-020223- /O.EXP.KFGF.TO.W.0101.000000T0000Z-100802T0215Z/ RAMSEY ND-CAVALIER ND-TOWNER ND- 913 PM CDT SUN AUG 1 2010 ...THE TORNADO WARNING FOR CENTRAL TOWNER...SOUTHWESTERN CAVALIER AND NORTH CENTRAL RAMSEY COUNTIES IN NORTHEAST NORTH DAKOTA WILL EXPIRE AT 915 PM CDT... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY. HOWEVER GUSTY WINDS ARE STILL POSSIBLE WITH THIS THUNDERSTORM. LAT...LON 4872 9848 4834 9875 4861 9947 4886 9923 TIME...MOT...LOC 0213Z 295DEG 28KT 4853 9849 $$ VOELKER
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 7:37 PM CDT | Severe Thunderstorm Warning | FGF | Cavalier, Towner | 53 min |
Nearby
Tornado Warnings in North Dakota, 2010Every tornado warning in 2010Tornadoes in 2010
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.