Alert archive / Minnesota / Special Weather Statements in 2015
Special Weather Statement, NWS Twin Cities, MN
NWS Twin Cities, MN issued this special weather statement at Aug 6, 2015, 8:13 PM CDT for Nicollet County, Minnesota. It was in force for 47 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 6, 2015, 8:13 PM CDT (01:13 UTC)
- Expired
- Aug 6, 2015, 9:00 PM CDT
- In force
- 47 min
- Issued by
- NWS Twin Cities, MN
County Nicollet County, MN
The radar
The Minneapolis radar (KMPX), 84 km from the middle of the area, began a volume at 01:16 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 |
|---|---|---|---|
| Aug 6, 8:20 PM CDT | HAIL 1 | 1 Ene Skyline, MN | |
| Aug 6, 8:20 PM CDT | HAIL 1 | 1 Sw Mankato, MN | |
| Aug 6, 8:35 PM CDT | HAIL 0.75 | 1 E Mankato, MN | |
| Aug 6, 8:35 PM CDT | HAIL 0.75 | 2 Ese Mankato, MN |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 1.2 hours before the alert went out and 82 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
- 583 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 857 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 181 m²/s²
- 0-3 km storm-relative helicity
- 264 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 5.2
The text
As transmitted, in the capitals the NWS used until 2016.
688 WWUS83 KMPX 070113 SPSMPX SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 813 PM CDT THU AUG 6 2015 MNZ074>076-083-070200- BROWN-LE SUEUR-BLUE EARTH-NICOLLET- 813 PM CDT THU AUG 6 2015 ...A STRONG THUNDERSTORM WILL AFFECT NORTHERN BLUE EARTH...EAST CENTRAL BROWN...EASTERN NICOLLET AND SOUTHWESTERN LE SUEUR COUNTIES... AT 812 PM CDT...A STRONG THUNDERSTORM WAS OVER COURTLAND...OR NEAR NEW ULM...MOVING EAST AT 35 MPH. WINDS IN EXCESS OF 40 MPH AND PEA SIZE HAIL ARE POSSIBLE WITH THIS STORM. LOCATIONS IMPACTED INCLUDE... MANKATO...NEW ULM...NORTH MANKATO...ST. PETER...LAKE CRYSTAL...EAGLE LAKE...NICOLLET...KASOTA...COURTLAND...CLEVELAND...JUDSON AND OSHAWA. THIS INCLUDES THE FOLLOWING HIGHWAYS... U.S. HIGHWAY 14 BETWEEN MILE MARKERS 107 AND 138. U.S. HIGHWAY 169 BETWEEN MILE MARKERS 43 AND 71. TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY CAUSE LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS. FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE SHELTER INSIDE A BUILDING OR VEHICLE. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FOR SOUTH CENTRAL MINNESOTA. LAT...LON 4422 9449 4442 9429 4438 9376 4399 9396 TIME...MOT...LOC 0112Z 290DEG 30KT 4429 9434 $$ JLT
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 8:15 PM CDT | Special Weather Statement | MPX | Swift | 2 hr |
| Aug 6, 8:52 PM CDT | Special Weather Statement | MPX | Blue Earth, Le Sueur, Nicollet, Waseca | 23 min |
| Aug 6, 9:02 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Nicollet | 43 min |
| Aug 6, 11:45 PM CDT | Special Weather Statement | MPX | Wright | 2 hr |
Nearby
Special Weather Statements in Minnesota, 2015Every special weather statement in 2015
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.