Alert archive / Iowa / Wind Advisories in 2012
Wind Advisory 22, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this wind advisory at May 23, 2012, 10:24 AM CDT for 5 counties in Iowa. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- May 23, 2012, 10:24 AM CDT (15:24 UTC)
- Expired
- May 23, 2012, 3:54 PM CDT
- In force
- 6 hr
- Issued by
- NWS Sioux Falls, SD
Counties Buena Vista County, IA, Cherokee County, IA, Clay County, IA, Dickinson County, IA, Ida County, IA
The radar
The Sioux Falls radar (KFSD), 140 km from the middle of the area, began a volume at 15:25 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
Omaha, NE (KOAX), launched 12:00Z, 3.4 hours before the alert went out and 192 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
- 1627 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 271 m²/s²
- 0-3 km storm-relative helicity
- 363 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
367 WWUS73 KFSD 231524 NPWFSD URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 1024 AM CDT WED MAY 23 2012 .STRONG SOUTHERLY WINDS ARE EXPECTED TO CONTINUE ACROSS NORTHWEST IOWA TODAY AHEAD OF A COLD FRONT APPROACHING FROM THE WEST. THE STRONGEST WINDS ARE EXPECTED IN THE LATE MORNING INTO THE EARLY AFTERNOON...WHERE WIND GUSTS COULD APPROACH 45 MPH. IAZ003-014-021-022-032-232100- /O.NEW.KFSD.WI.Y.0022.120523T1524Z-120523T2100Z/ DICKINSON-CLAY-CHEROKEE-BUENA VISTA-IDA- INCLUDING THE CITIES OF...SPIRIT LAKE...MILFORD...ARNOLDS PARK... SPENCER...CHEROKEE...STORM LAKE...IDA GROVE...HOLSTEIN... BATTLE CREEK 1024 AM CDT WED MAY 23 2012 ...WIND ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON. * TIMING...SOUTH WINDS WILL REMAIN STRONG THROUGH EARLY AFTERNOON AND WILL SLOWLY DECREASE LATE THIS AFTERNOON AS A COLD FRONT APPROACHES FROM THE WEST. * WEATHER CONDITIONS...SOUTH WINDS OF 25 TO 35 MPH WITH GUSTS NEAR 45 MPH CAN BE EXPECTED THROUGH LATE THIS AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST TO BE 31 TO 39 MPH OR GUSTS WILL RANGE BETWEEN 46 AND 57 MPH. WINDS OF THESE MAGNITUDES MAY CAUSE MINOR PROPERTY DAMAGE WITHOUT EXTRA PRECAUTIONS. MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE CAUTION UNTIL THE WINDS SUBSIDE. && $$ BT
1 follow-up statement
019 WWUS73 KFSD 232054 NPWFSD URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 354 PM CDT WED MAY 23 2012 IAZ003-014-021-022-032-232200- /O.CAN.KFSD.WI.Y.0022.000000T0000Z-120523T2100Z/ DICKINSON-CLAY-CHEROKEE-BUENA VISTA-IDA- INCLUDING THE CITIES OF...SPIRIT LAKE...MILFORD...ARNOLDS PARK... SPENCER...CHEROKEE...STORM LAKE...IDA GROVE...HOLSTEIN... BATTLE CREEK 354 PM CDT WED MAY 23 2012 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE WIND ADVISORY. THE GUSTY SOUTH WINDS WILL CONTINUE TO DECREASE THROUGH THE EARLY EVENING HOURS. $$
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 23, 3:50 AM CDT | Flash Flood Watch | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 29 hr |
Nearby
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.