Alert archive / Minnesota / Special Weather Statements in 2018
Special Weather Statement, NWS Twin Cities, MN
NWS Twin Cities, MN issued this special weather statement at Jul 19, 2018, 6:24 PM CDT for Nicollet County, Minnesota. It was in force for 66 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
- Jul 19, 2018, 6:24 PM CDT (23:24 UTC)
- Expired
- Jul 19, 2018, 7:30 PM CDT
- In force
- 66 min
- Issued by
- NWS Twin Cities, MN
County Nicollet County, MN
The radar
The Minneapolis radar (KMPX), 77 km from the middle of the area, began a volume at 23:26 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 nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 11.4 hours before the alert went out and 75 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
- 184 J/kg
- Mixed-layer CIN
- -50 J/kg
- Mixed-layer LCL
- 1073 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 42 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Twin Cities, MN wrote its last area forecast discussion before this special weather statement went out at Jul 19, 6:04 PM CDT, 20 minutes earlier.
Area forecast discussion, Jul 19, 6:04 PM CDT, 20 minutes before
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</html>Hazardous weather outlook, Jul 19, 3:00 PM CDT, 3 hours 24 minutes before
Hazardous Weather Outlook National Weather Service Twin Cities/Chanhassen MN 300 PM CDT Thu Jul 19 2018 MNZ041>045-047>070-073>078-082>085-091>093-WIZ014>016-023>028- 202000- Douglas-Todd-Morrison-Mille Lacs-Kanabec-Stevens-Pope-Stearns- Benton-Sherburne-Isanti-Chisago-Lac Qui Parle-Swift-Chippewa- Kandiyohi-Meeker-Wright-Hennepin-Anoka-Ramsey-Washington- Yellow Medicine-Renville-McLeod-Sibley-Carver-Scott-Dakota- Redwood-Brown-Nicollet-Le Sueur-Rice-Goodhue-Watonwan-Blue Earth- Waseca-Steele-Martin-Faribault-Freeborn-Polk-Barron-Rusk- St. Croix-Pierce-Dunn-Pepin-Eau Claire- 300 PM CDT Thu Jul 19 2018 This Hazardous Weather Outlook is for portions of central and southern Minnesota...and west central Wisconsin. .DAY ONE...This Afternoon and Tonight Locally heavy rainfall is possible into tonight, which could lead to localized flooding. The heaviest rainfall is expected to occur near and south of the Minnesota River valley. Scattered thunderstorms are likely this afternoon. There is a small chance for funnel clouds or a brief tornado in south central Minnesota. .DAYS TWO THROUGH SEVEN...Friday through Wednesday Chances for scattered thunderstorms will continue through Friday. .SPOTTER INFORMATION STATEMENT... SKYWARN spotter activation will not be needed.
In the hours before
Special weather statement, Jul 19, 1:16 PM CDT, 5 hours 8 minutes before
Special Weather Statement
National Weather Service Twin Cities/Chanhassen MN
116 PM CDT THU JUL 19 2018
MNZ075-083-092-191915-
Blue Earth-Nicollet-Faribault-
116 PM CDT THU JUL 19 2018
...A LINE OF THUNDERSTORMS COULD PRODUCE FUNNEL CLOUDS AND HEAVY
RAIN ACROSS FARIBAULT...BLUE EARTH AND SOUTHEASTERN NICOLLET
COUNTIES...
At 114 PM CDT, radar indicated thunderstorms were located along a
line extending from Searles to near East Chain. Movement was east at
20 to 25 mph.
Locations impacted include...
Mankato, North Mankato, Blue Earth, Lake Crystal, Eagle Lake, Wells,
Mapleton, Winnebago, Madison Lake, St. Clair, Minnesota Lake and
Elmore.
This includes the following highways...
Interstate 90 between mile markers 113 and 142.
U.S. Highway 14 between mile markers 123 and 143.
U.S. Highway 169 between mile markers 1 and 58.
A few funnel clouds have been reported with these showers and
thunderstorms. Funnel clouds from these showers and thunderstorms
could briefly touch down as very weak tornadoes.
Torrential rainfall is also occurring with these storms, and may
cause localized flooding. Do not drive your vehicle through flooded
roadways.
LAT...LON 4350 9425 4384 9425 4385 9436 4422 9437
4424 9401 4423 9377 4385 9377 4385 9365
4350 9365
TIME...MOT...LOC 1814Z 252DEG 20KT 4424 9446 4350 9435
JRBLocal storm report, Jul 19, 3:28 PM CDT, 2 hours 56 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
328 PM CDT THU JUL 19 2018
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1255 PM TORNADO 2 WNW CEYLON 43.54N 94.67W
07/19/2018 MARTIN MN LAW ENFORCEMENT
VIDEO ON TWITTER. TALKED TO SHERIFF'S DEPUTY
WHO WITNESSED TORNADO. TOUCHDOWN BETWEEN
SUSAN LAKE AND FISH LAKE. TORNADO ESTIMATED
TO BE 20 TO 40 FEET WIDE. TREES DOWN. TREES
ESTIMATED TO BE 15 TO 20 FEET IN HEIGHT.
TORNADO ESTIMATED TO BE ON THE GROUND FOR 11
MINUTES.
&&
CEOSpecial weather statement, Jul 19, 4:18 PM CDT, 2 hours 6 minutes before
Special Weather Statement National Weather Service Twin Cities/Chanhassen MN 418 PM CDT THU JUL 19 2018 MNZ048-055-192215- Pope-Swift- 418 PM CDT THU JUL 19 2018 ...A LINE OF SHOWERS AND THUNDERSTORMS WITH POSSIBLE FUNNEL CLOUDS WILL AFFECT SOUTHWESTERN POPE AND EASTERN SWIFT COUNTIES... At 416 PM CDT, radar indicated showers and thunderstorms along a line extending from near Lake Hassel to near De Graff. The storms are nearly stationary. A funnel cloud was reported west of Benson. Funnel clouds from these showers and thunderstorms could briefly touch down as weak tornadoes. People in the effected area should remain inside a sturdy structure until the showers and thunderstorms pass. Locations impacted include... Benson, Murdock, Lake Hassel, De Graff and Swift Falls. This includes U.S. Highway 12 between mile markers 42 and 56. LAT...LON 4551 9567 4516 9561 4516 9536 4550 9540 TIME...MOT...LOC 2116Z 327DEG 2KT 4545 9557 4527 9555 LS
Special weather statement, Jul 19, 4:27 PM CDT, 1 hour 57 minutes before
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</html>Local storm report, Jul 19, 4:35 PM CDT, 1 hour 49 minutes before
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</html>Special weather statement, Jul 19, 6:24 PM CDT, 0 minutes before
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</html>The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 11:54 AM CDT | Special Weather Statement | MPX | Brown | 66 min |
| Jul 19, 12:35 PM CDT | Special Weather Statement | MPX | Martin, Watonwan | 40 min |
| Jul 19, 1:16 PM CDT | Special Weather Statement | MPX | Blue Earth, Faribault | 59 min |
| Jul 19, 4:18 PM CDT | Special Weather Statement | MPX | Swift | 57 min |
| Jul 19, 4:27 PM CDT | Special Weather Statement | MPX | Martin | 33 min |
Nearby
Special Weather Statements in Minnesota, 2018Every special weather statement in 2018
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.