Alert archive / Minnesota / Tornado Warnings in 2014
Tornado Warning 9, NWS Twin Cities, MN
NWS Twin Cities, MN issued this tornado warning at May 8, 2014, 8:05 PM CDT for Sibley County, Minnesota. It was in force for 25 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 8, 2014, 8:05 PM CDT (01:05 UTC)
- Expired
- May 8, 2014, 8:30 PM CDT
- In force
- 25 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Tornado
- Observed
- Hail
- 1.75 in
County Sibley County, MN
The radar
The Minneapolis radar (KMPX), 61 km from the middle of the area, began a volume at 01:04 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 8, 1:46 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 1.1 hours before the alert went out and 59 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
- 18 J/kg
- Mixed-layer CIN
- -160 J/kg
- Mixed-layer LCL
- 785 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 115 m²/s²
- 0-3 km storm-relative helicity
- 184 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
The text
As transmitted, in the capitals the NWS used until 2016.
815
WFUS53 KMPX 090105
TORMPX
MNC143-090130-
/O.NEW.KMPX.TO.W.0009.140509T0105Z-140509T0130Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
805 PM CDT THU MAY 8 2014
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* TORNADO WARNING FOR...
CENTRAL SIBLEY COUNTY IN CENTRAL MINNESOTA...
* UNTIL 830 PM CDT
* AT 804 PM CDT...A CONFIRMED TORNADO WAS LOCATED NEAR GAYLORD...AND
MOVING NORTHEAST AT 30 MPH.
HAZARD...DAMAGING TORNADO AND GOLF BALL SIZE HAIL.
SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
LIKELY.
* THE TORNADO WILL AFFECT MAINLY RURAL AREAS OF CENTRAL SIBLEY
COUNTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPEAT...A TORNADO IS ON THE GROUND. TAKE COVER NOW. MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID
WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE
CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4458 9435 4469 9417 4461 9409 4454 9431
TIME...MOT...LOC 0106Z 239DEG 27KT 4459 9426
TORNADO...OBSERVED
HAIL...1.75IN
$$
JRB2 follow-up statements
556
WWUS53 KMPX 090110
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
810 PM CDT THU MAY 8 2014
MNC143-090130-
/O.CON.KMPX.TO.W.0009.000000T0000Z-140509T0130Z/
SIBLEY MN-
810 PM CDT THU MAY 8 2014
...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL SIBLEY COUNTY
UNTIL 830 PM CDT...
AT 809 PM CDT...A CONFIRMED TORNADO WAS LOCATED NEAR GAYLORD...AND
MOVING NORTHEAST AT 35 MPH.
HAZARD...DAMAGING TORNADO AND GOLF BALL SIZE HAIL.
SOURCE...LAW ENFORCEMENT CONFIRMED TORNADO.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
LIKELY.
LOCATIONS IMPACTED INCLUDE...
MAINLY RURAL AREAS OF CENTRAL SIBLEY COUNTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPEAT...A TORNADO IS ON THE GROUND. TAKE COVER NOW. MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID
WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE
CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4457 9421 4463 9426 4464 9425 4469 9417
4461 9409
TIME...MOT...LOC 0111Z 239DEG 29KT 4462 9418
TORNADO...OBSERVED
HAIL...1.75IN
$$
JRB940
WWUS53 KMPX 090120
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
820 PM CDT THU MAY 8 2014
MNC143-090130-
/O.CAN.KMPX.TO.W.0009.000000T0000Z-140509T0130Z/
SIBLEY MN-
820 PM CDT THU MAY 8 2014
...THE TORNADO WARNING FOR CENTRAL SIBLEY COUNTY IS CANCELLED...
THE TORNADO THREAT HAS DIMINISHED...THEREFORE THE TORNADO WARNING HAS
BEEN CANCELLED. HOWEVER...A SEVERE THUNDERSTORM WARNING REMAINS IN
EFFECT FOR THE AREA AND LARGE HAIL IS STILL POSSIBLE WITH THIS
THUNDERSTORM.
IN ADDITION...STRONG THUNDERSTORMS MAY REDEVELOP...AND A TORNADO
WATCH REMAINS IN EFFECT UNTIL 9PM CDT.
LAT...LON 4457 9421 4463 9426 4464 9425 4469 9417
4461 9409
TIME...MOT...LOC 0120Z 239DEG 29KT 4466 9409
$$
JRBThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 8, 7:23 PM CDT | Severe Thunderstorm Warning | MPX | Nicollet, Sibley | 22 min |
| May 8, 7:50 PM CDT | Severe Thunderstorm Warning | MPX | McLeod, Sibley | 40 min |
| May 8, 8:38 PM CDT | Special Weather Statement | MPX | Anoka, Carver, Hennepin, Isanti | 67 min |
| May 8, 9:33 PM CDT | Special Weather Statement | MPX | Isanti | 42 min |
Nearby
Tornado Warnings in Minnesota, 2014Every tornado warning in 2014Tornadoes in 2014
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; radar from the NEXRAD Level II archive.