Alert archive / Minnesota / Tornado Warnings in 2010
Tornado Warning 86, NWS Twin Cities, MN
NWS Twin Cities, MN issued this tornado warning at Aug 7, 2010, 8:39 PM CDT for 4 counties in Minnesota. It was in force for 51 min. 3 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 7, 2010, 8:39 PM CDT (01:39 UTC)
- Expired
- Aug 7, 2010, 9:30 PM CDT
- In force
- 51 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
Counties Douglas County, MN, Pope County, MN, Stearns County, MN, Todd County, MN
The radar
The Minneapolis radar (KMPX), 171 km from the middle of the area, began a volume at 01:42 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 7, 8:41 PM CDT | HAIL 1 | Garfield, MN | |
| Aug 7, 8:46 PM CDT | TSTM WND GST 70 | Carlos, MN | |
| Aug 7, 9:00 PM CDT | HAIL 0.75 | Carlos, MN | ESTIMATED WIND 45 MPH AND 1.18 PCPN FROM STORM. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 7, 5:27 PM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 1.7 hours before the alert went out and 169 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
- 2210 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 1185 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 114 m²/s²
- 0-3 km storm-relative helicity
- 246 m²/s²
- Significant tornado parameter
- 1.8
- Supercell composite
- 12.7
The text
As transmitted, in the capitals the NWS used until 2016.
613
WFUS53 KMPX 080139
TORMPX
MNC041-121-145-153-080230-
/O.NEW.KMPX.TO.W.0086.100808T0139Z-100808T0230Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
839 PM CDT SAT AUG 7 2010
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHWESTERN TODD COUNTY IN CENTRAL MINNESOTA...
EASTERN DOUGLAS COUNTY IN WEST CENTRAL MINNESOTA...
NORTHWESTERN STEARNS COUNTY IN CENTRAL MINNESOTA...
NORTHEASTERN POPE COUNTY IN WEST CENTRAL MINNESOTA...
* UNTIL 930 PM CDT
* AT 837 PM CDT...RADAR INDICATED A STORM CAPABLE OF PRODUCING A
TORNADO. THE MOST DANGEROUS PART OF THE STORM WAS 3 MILES SOUTH OF
GARFIELD...AND MOVING SOUTHEAST AT 30 MPH.
THIS STORMS DOES HAVE A HISTORY OF PRODUCING A TORNADO.
* LOCATIONS IN THE WARNING INCLUDE...
ALEXANDRIA...
CARLOS...
FORADA...
OSAKIS...
BELLE RIVER...
NELSON...
VILLARD...
WESTPORT...
WEST UNION...
INTERSTATE 94...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
WHEN A TORNADO WARNING IS ISSUED BASED ON RADAR...IT MEANS THAT
STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY ALREADY
BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY.
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CDT SUNDAY MORNING FOR
CENTRAL MINNESOTA.
&&
LAT...LON 4593 9487 4561 9514 4576 9544 4582 9560
4607 9544
TIME...MOT...LOC 0138Z 301DEG 27KT 4589 9549
$$4 follow-up statements
368
WWUS53 KMPX 080148
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
848 PM CDT SAT AUG 7 2010
MNC041-121-145-153-080230-
/O.CON.KMPX.TO.W.0086.000000T0000Z-100808T0230Z/
TODD MN-DOUGLAS MN-STEARNS MN-POPE MN-
848 PM CDT SAT AUG 7 2010
...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHEASTERN POPE...
NORTHWESTERN STEARNS...SOUTHEASTERN DOUGLAS AND SOUTHWESTERN TODD
COUNTIES UNTIL 930 PM CDT...
AT 846 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM
WAS LOCATED NEAR ALEXANDRIA...MOVING SOUTHEAST AT 45 MPH.
LOCATIONS IMPACTED INCLUDE...
FORADA...OSAKIS...NELSON...VILLARD...WEST UNION AND WESTPORT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. AS A LAST
RESORT... EITHER PARK YOUR VEHICLE AND STAY PUT...OR ABANDON YOUR
VEHICLE AND LIE DOWN IN A LOW LYING AREA.
TORNADOES ARE DIFFICULT TO SEE AT NIGHT. TAKE COVER NOW.
TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN THE TWIN CITIES.
&&
LAT...LON 4576 9537 4585 9553 4602 9537 4593 9487
4561 9514
TIME...MOT...LOC 0148Z 305DEG 39KT 4586 9536
$$593
WWUS53 KMPX 080200
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
900 PM CDT SAT AUG 7 2010
MNC041-121-145-153-080230-
/O.CON.KMPX.TO.W.0086.000000T0000Z-100808T0230Z/
TODD MN-DOUGLAS MN-STEARNS MN-POPE MN-
900 PM CDT SAT AUG 7 2010
...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHEASTERN POPE...
NORTHWESTERN STEARNS...SOUTHEASTERN DOUGLAS AND SOUTHWESTERN TODD
COUNTIES UNTIL 930 PM CDT...
AT 856 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM
WAS LOCATED 3 MILES SOUTHEAST OF ALEXANDRIA...MOVING SOUTHEAST AT 40 MPH.
LOCATIONS IMPACTED INCLUDE...
OSAKIS...VILLARD...WESTPORT AND WEST UNION.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. AS A LAST
RESORT... EITHER PARK YOUR VEHICLE AND STAY PUT...OR ABANDON YOUR
VEHICLE AND LIE DOWN IN A LOW LYING AREA.
TORNADOES ARE DIFFICULT TO SEE AT NIGHT. TAKE COVER NOW.
TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN THE TWIN CITIES.
&&
LAT...LON 4576 9537 4582 9543 4599 9532 4595 9499
4593 9487 4561 9514
TIME...MOT...LOC 0200Z 303DEG 35KT 4584 9527
$$487 WWUS53 KMPX 080217 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 917 PM CDT SAT AUG 7 2010 MNC041-121-145-153-080230- /O.CON.KMPX.TO.W.0086.000000T0000Z-100808T0230Z/ TODD MN-DOUGLAS MN-STEARNS MN-POPE MN- 917 PM CDT SAT AUG 7 2010 ...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHEASTERN POPE... NORTHWESTERN STEARNS...SOUTHEASTERN DOUGLAS AND SOUTHWESTERN TODD COUNTIES UNTIL 930 PM CDT... AT 914 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR OSAKIS...OR 13 MILES SOUTHEAST OF ALEXANDRIA... MOVING SOUTHEAST AT 40 MPH. THERE HAS BEEN SOME DECREASE IN THE EARLIER STRONG ROTATION IN THE THUNDERSTORM. LOCATIONS IMPACTED INCLUDE... WEST UNION. PRECAUTIONARY/PREPAREDNESS ACTIONS... MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. AS A LAST RESORT... EITHER PARK YOUR VEHICLE AND STAY PUT...OR ABANDON YOUR VEHICLE AND LIE DOWN IN A LOW LYING AREA. TORNADOES ARE DIFFICULT TO SEE AT NIGHT. TAKE COVER NOW. TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES. && LAT...LON 4576 9531 4596 9509 4593 9487 4567 9509 TIME...MOT...LOC 0216Z 302DEG 35KT 4579 9511 $$
335 WWUS53 KMPX 080228 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 928 PM CDT SAT AUG 7 2010 MNC041-121-145-153-080238- /O.EXP.KMPX.TO.W.0086.000000T0000Z-100808T0230Z/ TODD MN-DOUGLAS MN-STEARNS MN-POPE MN- 928 PM CDT SAT AUG 7 2010 ...THE TORNADO WARNING FOR NORTHEASTERN POPE...NORTHWESTERN STEARNS...SOUTHEASTERN DOUGLAS AND SOUTHWESTERN TODD COUNTIES WILL EXPIRE AT 930 PM CDT... THE STORM WHICH PROMPTED THE WARNING HAS SEEN ITS ROTATION WEAKEN...HOWEVER STRONG DAMAGING WINDS ARE NOW A THREAT FOR SOUTHEASTERN TODD COUNTY AND STEARNS COUNTY. TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES. LAT...LON 4576 9531 4596 9509 4593 9487 4567 9509 TIME...MOT...LOC 0228Z 302DEG 35KT 4573 9497 $$
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 7:08 PM CDT | Special Weather Statement | MPX | Douglas, Todd | 67 min |
| Aug 7, 7:45 PM CDT | Severe Thunderstorm Warning | MPX | Douglas | 60 min |
| Aug 7, 7:53 PM CDT | Tornado Warning | MPX | Douglas | 52 min |
| Aug 7, 8:05 PM CDT | Special Weather Statement | MPX | Morrison | 55 min |
| Aug 7, 8:19 PM CDT | Tornado Warning | MPX | Todd | 38 min |
| Aug 7, 8:53 PM CDT | Severe Thunderstorm Warning | MPX | Mille Lacs, Morrison | 36 min |
| Aug 7, 9:23 PM CDT | Severe Thunderstorm Warning | MPX | Morrison, Stearns, Todd | 52 min |
| Aug 7, 9:59 PM CDT | Severe Thunderstorm Warning | MPX | Mille Lacs, Morrison | 61 min |
| Aug 7, 10:09 PM CDT | Severe Thunderstorm Warning | MPX | Benton, Sherburne, Stearns, Wright | 66 min |
| Aug 7, 10:17 PM CDT | Areal Flood Advisory | MPX | Kanabec, Mille Lacs | 4 hr |
| Aug 7, 10:19 PM CDT | Severe Thunderstorm Warning | MPX | Kanabec, Mille Lacs | 56 min |
| Aug 7, 10:39 PM CDT | Tornado Warning | MPX | Isanti, Kanabec, Mille Lacs | 36 min |
| Aug 7, 10:55 PM CDT | Severe Thunderstorm Warning | MPX | Chisago, Isanti | 65 min |
| Aug 7, 11:34 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Sherburne | 56 min |
| Aug 7, 11:58 PM CDT | Severe Thunderstorm Warning | MPX | Sherburne | 47 min |
| Aug 8, 12:45 AM CDT | Special Weather Statement | MPX | Anoka, Carver, Chisago, Dakota, Hennepin, Isanti and 8 more | 90 min |
| Aug 8, 12:47 AM CDT | Severe Thunderstorm Warning | MPX | Washington | 43 min |
| Aug 8, 1:43 AM CDT | Severe Thunderstorm Warning | MPX | Washington | 32 min |
| Aug 8, 4:46 PM CDT | Special Weather Statement | MPX | Chippewa, Lac qui Parle | 104 min |
| Aug 8, 6:07 PM CDT | Special Weather Statement | MPX | Hennepin | 38 min |
| Aug 8, 6:37 PM CDT | Severe Thunderstorm Warning | MPX | Ramsey, Washington | 53 min |
| Aug 8, 6:55 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Hennepin, Ramsey | 19 min |
Nearby
Tornado Warnings in Minnesota, 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; radar from the NEXRAD Level II archive.