Alert archive / Iowa / Wind Advisories in 2012
Wind Advisory 4, NWS Quad Cities, IA
NWS Quad Cities, IA issued this wind advisory at Apr 27, 2012, 4:00 PM CDT for 6 counties in Iowa. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Apr 27, 2012, 4:00 PM CDT (21:00 UTC)
- Expired
- Apr 27, 2012, 8:21 PM CDT
- In force
- 4 hr
- Issued by
- NWS Quad Cities, IA
Counties Benton County, IA, Buchanan County, IA, Delaware County, IA, Dubuque County, IA, Jones County, IA, Linn County, IA
The radar
The Quad Cities radar (KDVN), 105 km from the middle of the area, began a volume at 21:00 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
Davenport, (KDVN), launched 12:00Z, 9.0 hours before the alert went out and 110 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
- 1531 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- -88 m²/s²
- 0-3 km storm-relative helicity
- 13 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
768 WWUS73 KDVN 272100 NPWDVN URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE QUAD CITIES IA IL 400 PM CDT FRI APR 27 2012 ...STRONG WINDS THIS EVENING... .A STRENGTHENING LOW PRESSURE SYSTEM OVER KANSAS WILL APPROACH FROM THE SOUTHWEST THIS EVENING. THIS SYSTEM WILL PRODUCE A TIGHT PRESSURE GRADIENT THAT WILL RESULT IN STRONG AND GUSTY WINDS OF 25 TO 35 MPH WITH GUSTS OVER 40 MPH ACROSS THE AREA THROUGH LATE EVENING. IAZ040>042-051>053-280300- /O.NEW.KDVN.WI.Y.0004.120427T2100Z-120428T0300Z/ BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES- INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE... VINTON...CEDAR RAPIDS...ANAMOSA 400 PM CDT FRI APR 27 2012 ...WIND ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 10 PM CDT THIS EVENING. * WINDS...EAST TO SOUTHEAST WINDS OF 25 TO 30 MPH ARE EXPECTED... WITH GUSTS UP TO AROUND 45 MPH AT TIMES. THE WINDS MAY GUST HIGHER UP TO NEAR 50 MPH IN THE VICINITY OF ANY PASSING SHOWERS. * TIMING...LATE AFTERNOON THROUGH LATE EVENING. * IMPACTS...STRONG AND GUSTY WINDS WILL CAUSE LOOSE OBJECTS TO BLOW AROUND...AND POSSIBLY SMALL BRANCHES TO COME DOWN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 30 MPH OR GREATER ARE EXPECTED...WHICH CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION IF YOU ARE TRAVELING. && $$ 12
2 follow-up statements
152 WWUS73 KDVN 280021 NPWDVN URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE QUAD CITIES IA IL 721 PM CDT FRI APR 27 2012 ...STRONG WINDS THIS EVENING... .A STRENGTHENING LOW PRESSURE SYSTEM OVER KANSAS WILL APPROACH FROM THE SOUTHWEST THIS EVENING. THIS SYSTEM WILL PRODUCE A TIGHT PRESSURE GRADIENT THAT WILL RESULT IN STRONG AND GUSTY EAST WINDS OF 25 TO 35 MPH WITH GUSTS OVER 40 MPH ACROSS THE AREA THROUGH LATE EVENING. IAZ040>042-051>053-280300- /O.CON.KDVN.WI.Y.0004.000000T0000Z-120428T0300Z/ BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES- INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE... VINTON...CEDAR RAPIDS...ANAMOSA 721 PM CDT FRI APR 27 2012 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING... * WINDS...EAST TO SOUTHEAST WINDS OF 25 TO 30 MPH ARE EXPECTED... WITH GUSTS UP TO AROUND 45 MPH AT TIMES. THE WINDS MAY GUST HIGHER UP TO NEAR 50 MPH IN THE VICINITY OF ANY PASSING SHOWERS. * TIMING...NOW THROUGH LATE EVENING. * IMPACTS...STRONG AND GUSTY WINDS WILL CAUSE LOOSE OBJECTS TO BLOW AROUND...AND POSSIBLY SMALL BRANCHES TO COME DOWN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 30 MPH OR GREATER ARE EXPECTED...WHICH CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION IF YOU ARE TRAVELING. && $$
310 WWUS73 KDVN 280121 NPWDVN URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE QUAD CITIES IA IL 821 PM CDT FRI APR 27 2012 ...STRONG WINDS HAVE SUBSIDED... .EAST WINDS WILL CONTINUE TO BLOW AROUND 20 MPH THROUGH THE NIGHT...BUT THE THREAT OF DAMAGING WINDS HAS ENDED FOR TONIGHT. THE WIND ADVISORY HAS BEEN CANCELLED.. IAZ040>042-051>053-280230- /O.CAN.KDVN.WI.Y.0004.000000T0000Z-120428T0300Z/ BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES- INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE... VINTON...CEDAR RAPIDS...ANAMOSA 821 PM CDT FRI APR 27 2012 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS CANCELLED THE WIND ADVISORY. WINDS WILL REMAIN AROUND 20 TO 25 MPH OVERNIGHT FROM THE EAST...HOWEVER WINDS OVER 35 MPH WITH GUSTS OVER 45 MPH ARE NO LONGER EXPECTED. THE WIND ADVISORY HAS BEEN CANCELLED. $$ ERVIN
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.