Alert archive / Iowa / Wind Advisories in 2011
Wind Advisory 1, NWS Quad Cities, IA
NWS Quad Cities, IA issued this wind advisory at Apr 4, 2011, 11:58 AM CDT for 21 counties in Iowa; Rock Island County, Illinois. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Apr 4, 2011, 11:58 AM CDT (16:58 UTC)
- Expired
- Apr 4, 2011, 6:00 PM CDT
- In force
- 6 hr
- Issued by
- NWS Quad Cities, IA
All 22 counties
Benton County, IA, Buchanan County, IA, Cedar County, IA, Clinton County, IA, Delaware County, IA, Des Moines County, IA, Dubuque County, IA, Henry County, IA, Iowa County, IA, Jackson County, IA, Jefferson County, IA, Johnson County, IA, Jones County, IA, Keokuk County, IA, Lee County, IA, Linn County, IA, Louisa County, IA, Muscatine County, IA, Scott County, IA, Van Buren County, IA, Washington County, IA, Rock Island County, IL
The radar
The Quad Cities radar (KDVN), 66 km from the middle of the area, began a volume at 16:59 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, 5.0 hours before the alert went out and 73 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
- 535 m above ground
- 0-6 km bulk shear
- 84 kt
- 0-1 km storm-relative helicity
- -146 m²/s²
- 0-3 km storm-relative helicity
- 137 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
995 WWUS73 KDVN 041658 NPWDVN URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE QUAD CITIES IA IL 1158 AM CDT MON APR 4 2011 ...STRONG NORTHWEST WINDS WITH GUSTS OVER 45 MPH EXPECTED ACROSS THE REGION THIS AFTERNOON... .A TIGHT PRESSURE GRADIENT BEHIND A LOW PRESSURE SYSTEM OVER THE WESTERN GREAT LAKES...WILL PRODUCE STRONG NORTHWEST WINDS ACROSS THE AREA THROUGH THE AFTERNOON BEFORE DIMINISHING BY EVENING. IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ015-042300- /O.NEW.KDVN.WI.Y.0001.110404T1700Z-110404T2300Z/ BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON- CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JEFFERSON- HENRY IA-DES MOINES-VAN BUREN-LEE-ROCK ISLAND- INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE... VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...MARENGO... IOWA CITY...TIPTON...CLINTON...MUSCATINE...BETTENDORF... DAVENPORT...SIGOURNEY...WASHINGTON...WAPELLO...FAIRFIELD... MOUNT PLEASANT...BURLINGTON...KEOSAUQUA....FORT MADISON... MOLINE...ROCK ISLAND 1158 AM CDT MON APR 4 2011 ...WIND ADVISORY IN EFFECT UNTIL 6 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM CDT THIS EVENING. * WINDS...SUSTAINED NORTHWEST WINDS OF 25 TO 35 MPH WILL IMPACT THE AREA THROUGH THE AFTERNOON...WITH GUSTS UP TO 45 MPH. THESE STRONG WINDS ARE THEN EXPECTED TO SUBSIDE SHORTLY BEFORE SUNSET. * IMPACTS...STRONG WINDS MAY BLOW LOOSE OBJECTS AROUND AND CAUSE DIFFICULT DRIVING FOR HIGH PROFILE VEHICLES. THE WIND WILL ALSO CREATE AN ELEVATED GRASS FIRE DANGER. 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. && $$ 12
2 follow-up statements
726 WWUS73 KDVN 042040 NPWDVN URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE QUAD CITIES IA IL 340 PM CDT MON APR 4 2011 ...STRONG NORTHWEST WINDS WITH GUSTS OVER 45 MPH EXPECTED ACROSS THE REGION THIS AFTERNOON... .A TIGHT PRESSURE GRADIENT BEHIND A LOW PRESSURE SYSTEM OVER THE NORTHERN GREAT LAKES...WILL PRODUCE STRONG NORTHWEST WINDS ACROSS THE AREA THROUGH EARLY EVENING BEFORE DIMINISHING. IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ015-042300- /O.CON.KDVN.WI.Y.0001.000000T0000Z-110404T2300Z/ BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON- CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JEFFERSON- HENRY IA-DES MOINES-VAN BUREN-LEE-ROCK ISLAND- INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE... VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...MARENGO... IOWA CITY...TIPTON...CLINTON...MUSCATINE...BETTENDORF... DAVENPORT...SIGOURNEY...WASHINGTON...WAPELLO...FAIRFIELD... MOUNT PLEASANT...BURLINGTON...KEOSAUQUA....FORT MADISON... MOLINE...ROCK ISLAND 340 PM CDT MON APR 4 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CDT THIS EVENING... A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CDT THIS EVENING. * WINDS...SUSTAINED NORTHWEST WINDS OF 25 TO 35 MPH WILL BLOW ACROSS THE AREA THROUGH EARLY EVENING...WITH GUSTS UP TO 45 MPH. THESE STRONG WINDS ARE THEN EXPECTED TO SUBSIDE TOWARD SUNSET. * IMPACTS...STRONG WINDS MAY BLOW LOOSE OBJECTS AROUND AND CAUSE DIFFICULT DRIVING FOR HIGH PROFILE VEHICLES. THE WIND WILL ALSO CREATE AN ELEVATED GRASS FIRE DANGER. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 30 MPH OR GREATER ARE EXPECTED...WHICH CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION IF YOU ARE TRAVELING. && $$ 12
219 WWUS73 KDVN 042302 NPWDVN URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE QUAD CITIES IA IL 602 PM CDT MON APR 4 2011 IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ015-050015- /O.EXP.KDVN.WI.Y.0001.000000T0000Z-110404T2300Z/ BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON- CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JEFFERSON- HENRY IA-DES MOINES-VAN BUREN-LEE-ROCK ISLAND- INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE... VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...MARENGO... IOWA CITY...TIPTON...CLINTON...MUSCATINE...BETTENDORF... DAVENPORT...SIGOURNEY...WASHINGTON...WAPELLO...FAIRFIELD... MOUNT PLEASANT...BURLINGTON...KEOSAUQUA....FORT MADISON... MOLINE...ROCK ISLAND 602 PM CDT MON APR 4 2011 ...WIND ADVISORY HAS EXPIRED... THE WIND ADVISORY IS NO LONGER IN EFFECT. THE STRONG NORTHWEST WINDS HAVE DECREASED LATE THIS AFTERNOON SO THE WIND ADVISORY WILL BE ALLOWED TO EXPIRE. $$
The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 3, 7:13 PM CDT | Severe Thunderstorm Warning | DVN | Iowa, Johnson, Keokuk, Washington | 51 min |
| Apr 3, 7:24 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque | 21 min |
| Apr 3, 7:59 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Henry, Jefferson, Johnson, Louisa, Muscatine and 1 more | 34 min |
| Apr 3, 8:07 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque, Jackson, Jones | 29 min |
| Apr 3, 8:28 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Louisa, Muscatine, Scott | 46 min |
| Apr 3, 8:51 PM CDT | Severe Thunderstorm Warning | DVN | Scott | 54 min |
| Apr 3, 9:36 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Lee | 38 min |
| Apr 3, 9:02 PM CDT | Severe Thunderstorm Warning | DVN | Carroll, Whiteside | 13 min |
| Apr 3, 9:58 PM CDT | Severe Thunderstorm Warning | DVN | Bureau, Putnam | 32 min |
Nearby
Wind Advisories in Iowa, 2011Wind Advisories in Illinois, 2011Every wind advisory in 2011
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.