Alert archive / Minnesota / Tornado Watches in 2016
Tornado Watch 374
The Storm Prediction Center issued this tornado watch at Jul 11, 2016, 5:31 PM CDT for 11 counties in Minnesota. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 11, 2016, 5:31 PM CDT (22:31 UTC)
- Expired
- Jul 11, 2016, 10:00 PM CDT
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
Counties Anoka County, MN, Benton County, MN, Chisago County, MN, Isanti County, MN, Kanabec County, MN, Kandiyohi County, MN, Meeker County, MN, Mille Lacs County, MN, Sherburne County, MN, Stearns County, MN, Wright County, MN
The radar
The Minneapolis radar (KMPX), 97 km from the middle of the area, began a volume at 22:31 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 SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 40%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 30%
- One or more hailstones of 2 inches or more
- 30%
- Six or more combined severe hail and wind reports
- 60%
Warnings issued inside it
14 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 11, 5:40 PM CDT | Tornado Warning | MPX | Meeker, Stearns | 35 min |
| Jul 11, 5:56 PM CDT | Tornado Warning | MPX | Meeker, Stearns | 34 min |
| Jul 11, 6:02 PM CDT | Tornado Warning | MPX | Morrison, Stearns | 28 min |
| Jul 11, 6:19 PM CDT | Tornado Warning | MPX | Benton, Stearns | 26 min |
| Jul 11, 6:43 PM CDT | Tornado Warning | MPX | Benton, Stearns | 32 min |
| Jul 11, 7:00 PM CDT | Tornado Warning | MPX | Kandiyohi, Meeker, Stearns | 30 min |
| Jul 11, 7:09 PM CDT | Tornado Warning | MPX | Benton | 36 min |
| Jul 11, 7:16 PM CDT | Tornado Warning | MPX | Stearns | 29 min |
| Jul 11, 7:32 PM CDT | Flash Flood Warning | MPX | Benton, Morrison, Sherburne, Stearns | 4 hr |
| Jul 11, 7:37 PM CDT | Tornado Warning | MPX | Benton, Sherburne, Stearns | 23 min |
| Jul 11, 8:05 PM CDT | Flash Flood Warning | MPX | Benton, Kanabec, Mille Lacs, Morrison | 4 hr |
| Jul 11, 8:44 PM CDT | Severe Thunderstorm Warning | MPX | Sherburne, Wright | 31 min |
| Jul 11, 8:50 PM CDT | Tornado Warning | MPX | Sherburne | 25 min |
| Jul 11, 9:00 PM CDT | Tornado Warning | MPX | Sherburne | 11 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 10.5 hours before the alert went out and 95 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
- 1818 J/kg
- Mixed-layer CIN
- -153 J/kg
- Mixed-layer LCL
- 882 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 226 m²/s²
- 0-3 km storm-relative helicity
- 235 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.5
The text
As transmitted.
396 WWUS20 KWNS 112229 SEL4 SPC WW 112229 MNZ000-120300- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 374 NWS STORM PREDICTION CENTER NORMAN OK 530 PM CDT MON JUL 11 2016 THE NWS STORM PREDICTION CENTER HAS ISSUED A * TORNADO WATCH FOR PORTIONS OF CENTRAL MINNESOTA * EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 530 PM UNTIL 1000 PM CDT. * PRIMARY THREATS INCLUDE... A COUPLE TORNADOES POSSIBLE ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE SUMMARY...ISOLATED SUPERCELL STORMS MAY FORM ALONG A WEAK FRONT OVER CENTRAL MN...POSING A RISK OF ISOLATED TORNADOES. THIS WATCH UPGRADES THE PREVIOUS SEVERE THUNDERSTORM WATCH FOR THE GIVEN COUNTIES. THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 30 STATUTE MILES NORTH AND SOUTH OF A LINE FROM 55 MILES WEST SOUTHWEST OF SAINT CLOUD MINNESOTA TO 60 MILES EAST NORTHEAST OF SAINT CLOUD MINNESOTA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU4). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. && OTHER WATCH INFORMATION...CONTINUE...WW 372...WW 373... AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 26030. ...HART
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 10, 10:16 PM CDT | Mesoscale Discussion | SPC | Becker, Big Stone, Clay, Clearwater, Grant, Mahnomen and 8 more | 89 min |
| Jul 10, 10:40 PM CDT | Severe Thunderstorm Watch | SPC | Becker, Big Stone, Clay, Grant, Mahnomen, Marshall and 7 more | 6 hr |
| Jul 11, 1:01 AM CDT | Mesoscale Discussion | SPC | Aitkin, Becker, Beltrami, Benton, Big Stone, Cass and 27 more | 89 min |
| Jul 11, 1:51 AM CDT | Severe Thunderstorm Watch | SPC | Aitkin, Beltrami, Benton, Cass, Clearwater, Crow Wing and 13 more | 5 hr |
| Jul 11, 3:22 AM CDT | Mesoscale Discussion | SPC | Aitkin, Benton, Carlton, Chisago, Crow Wing, Isanti and 5 more | 83 min |
| Jul 11, 4:06 AM CDT | Mesoscale Discussion | SPC | Becker, Big Stone, Clay, Grant, Otter Tail, Traverse and 1 more | 84 min |
| Jul 11, 3:16 PM CDT | Mesoscale Discussion | SPC | Anoka, Blue Earth, Brown, Carver, Cottonwood, Dakota and 28 more | 119 min |
| Jul 11, 3:48 PM CDT | Severe Thunderstorm Watch | SPC | Anoka, Benton, Blue Earth, Brown, Carver, Chippewa and 36 more | 7 hr |
| Jul 11, 5:17 PM CDT | Mesoscale Discussion | SPC | Anoka, Benton, Chisago, Hennepin, Isanti, Kandiyohi and 5 more | 58 min |
| Jul 11, 6:03 PM CDT | Severe Thunderstorm Watch | SPC | Pine | 5 hr |
Nearby
Tornado Watches in Minnesota, 2016Every tornado watch in 2016
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.