Alert archive / Minnesota / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 8, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Mar 6, 2017, 5:11 PM CST for Sherburne County, Wright County, Minnesota. It was in force for 34 min. 7 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
- Mar 6, 2017, 5:11 PM CST (23:11 UTC)
- Expired
- Mar 6, 2017, 5:45 PM CST
- In force
- 34 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.75 in
- Wind
- 60.0 mph
Counties Sherburne County, MN, Wright County, MN
The radar
The Minneapolis radar (KMPX), 63 km from the middle of the area, began a volume at 23:16 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 |
|---|---|---|---|
| Mar 6, 5:15 PM CST | HAIL 1.75 | 4 Ssw Becker, MN | CAR DENTS ALSO REPORTED. |
| Mar 6, 5:39 PM CST | TORNADO | 2 Ese Orrock, MN | EF1 TORNADO SURVEYED IN SHERBURNE COUNTY. PEAK WINDS 100 TO 110 MPH. PATH LENGTH 8.9 MILES. |
| Mar 6, 5:41 PM CST | TSTM WND DMG | 3 E Orrock, MN | TREES DOWN, POWER LINES DOWN, AND PART OF ROOF MISSING. |
| Mar 6, 5:44 PM CST | HAIL 0.75 | 1 W Monticello, MN | . |
| Mar 6, 5:44 PM CST | HAIL 0.75 | 1 Wsw Monticello, MN | . |
| Mar 6, 5:46 PM CST | HAIL 0.5 | 1 W Big Lake, MN | . |
| Mar 6, 5:52 PM CST | TSTM WND DMG | Zimmerman, MN | LARGE OAK TREES FALLEN AND HOUSING PIECES WRAPPED AROUND TREES. POSSIBLE TORNADO DAMAGE. |
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 |
|---|---|---|---|
| Mar 6, 2:43 PM CST | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 11.2 hours before the alert went out and 63 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
- 622 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 401 m²/s²
- 0-3 km storm-relative helicity
- 365 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
431
WUUS53 KMPX 062311
SVRMPX
MNC141-171-062345-
/O.NEW.KMPX.SV.W.0008.170306T2311Z-170306T2345Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
511 PM CST MON MAR 6 2017
The National Weather Service in The Twin Cities has issued a
* Severe Thunderstorm Warning for...
Northwestern Wright County in central Minnesota...
Sherburne County in central Minnesota...
* Until 545 PM CST
* At 511 PM CST, a severe thunderstorm was located over Maple Lake,
or 7 miles northwest of Buffalo, moving northeast at 60 mph.
HAZARD...Golf ball size hail and 60 mph wind gusts.
SOURCE...Trained weather spotters.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
wind damage to roofs, siding, and trees.
* This severe thunderstorm will be near,
Monticello around 520 PM CST.
Big Lake and Becker around 525 PM CST.
Zimmerman around 530 PM CST.
Princeton around 540 PM CST.
Other locations impacted by this severe thunderstorm include
Enfield, Santiago, Orrock, Silver Creek, Hasty, and Rassat.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
A tornado watch remains in effect until 1000 PM CST for central and
east central Minnesota.
LAT...LON 4547 9351 4513 9395 4524 9415 4556 9385
4556 9351
TIME...MOT...LOC 2311Z 217DEG 52KT 4526 9398
HAIL...1.75IN
WIND...60MPH
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 6, 4:04 AM CST | Wind Advisory | MPX | Anoka, Benton, Blue Earth, Brown, Carver, Chippewa and 36 more | 60 hr |
| Mar 6, 3:47 PM CST | Severe Thunderstorm Warning | MPX | Redwood, Renville, Sibley | 43 min |
| Mar 6, 4:10 PM CST | Severe Thunderstorm Warning | MPX | Blue Earth, Brown, Watonwan | 35 min |
| Mar 6, 4:28 PM CST | Severe Thunderstorm Warning | MPX | Benton, Morrison, Stearns | 47 min |
| Mar 6, 4:32 PM CST | Severe Thunderstorm Warning | MPX | Faribault, Martin | 43 min |
| Mar 6, 4:41 PM CST | Severe Thunderstorm Warning | MPX | McLeod, Meeker, Wright | 34 min |
| Mar 6, 4:50 PM CST | Tornado Warning | MPX | Wright | 25 min |
| Mar 6, 4:54 PM CST | Severe Thunderstorm Warning | MPX | Faribault, Freeborn | 21 min |
| Mar 6, 5:09 PM CST | Severe Thunderstorm Warning | MPX | Blue Earth, Faribault, Freeborn, Steele, Waseca | 36 min |
| Mar 6, 5:26 PM CST | Tornado Warning | MPX | Sherburne, Wright | 20 min |
| Mar 6, 5:42 PM CST | Severe Thunderstorm Warning | MPX | Freeborn, Steele, Waseca | 33 min |
| Mar 6, 5:44 PM CST | Tornado Warning | MPX | Isanti, Mille Lacs, Sherburne | 31 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2017Every severe thunderstorm warning in 2017
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.