Alert archive / Iowa / Special Weather Statements in 2021
Special Weather Statement, NWS Quad Cities, IA
NWS Quad Cities, IA issued this special weather statement at Apr 5, 2021, 5:36 AM CDT for Benton County, Iowa. It was in force for 24 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
- Apr 5, 2021, 5:36 AM CDT (10:36 UTC)
- Expired
- Apr 5, 2021, 6:00 AM CDT
- In force
- 24 min
- Issued by
- NWS Quad Cities, IA
County Benton County, IA
The radar
The Quad Cities radar (KDVN), 142 km from the middle of the area, began a volume at 10:36 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 00:00Z, 10.6 hours before the alert went out and 148 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
- 2635 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 76 m²/s²
- 0-3 km storm-relative helicity
- 168 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 Quad Cities, IA wrote its last area forecast discussion before this special weather statement went out at Apr 5, 4:05 AM CDT, 1 hour 31 minutes earlier.
Area forecast discussion, Apr 5, 4:05 AM CDT, 1 hour 31 minutes before
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</html>Hazardous weather outlook, Apr 5, 3:51 AM CDT, 1 hour 45 minutes before
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</html>In the hours before
Special weather statement, Apr 4, 11:36 PM CDT, 6 hours before
Special Weather Statement National Weather Service Quad Cities IA/IL 1136 PM CDT Sun Apr 4 2021 ILC085-177-050515- Jo Daviess-Stephenson- 1136 PM CDT Sun Apr 4 2021 ...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN JO DAVIESS AND SOUTHWESTERN STEPHENSON COUNTIES UNTIL 1215 AM CDT... At 1136 PM CDT, a strong thunderstorm was located over Woodbine, or 15 miles east of Galena, moving east at 25 mph. Winds in excess of 30 mph and half inch hail are possible with this storm. Locations impacted include... Lena, Stockton, Pearl City, Elizabeth, Woodbine, Scales Mound, Schapville, Guilford, Kent, Elizabeth Fairgrounds, Canyon Camp, Willow, Stockton Airport, Galena Territory, Apple Canyon Lake and Rodden. Frequent cloud to ground lightning is occurring with this storm. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle. LAT...LON 4234 9040 4249 9033 4238 8976 4222 8981 TIME...MOT...LOC 0436Z 289DEG 23KT 4236 9013 Uttech
Special weather statement, Apr 5, 12:26 AM CDT, 5 hours 10 minutes before
Special Weather Statement National Weather Service Quad Cities IA/IL 1226 AM CDT Mon Apr 5 2021 ILC085-177-050600- Jo Daviess-Stephenson- 1226 AM CDT Mon Apr 5 2021 ...A STRONG THUNDERSTORM WILL AFFECT EASTERN JO DAVIESS AND SOUTHWESTERN STEPHENSON COUNTIES UNTIL 100 AM CDT... At 1225 AM CDT, a strong thunderstorm was located near Stockton, or 14 miles north of Mount Carroll, moving east at 25 mph. Winds in excess of 30 mph and half inch hail are possible with this storm. Locations impacted include... Stockton, Pearl City, Elizabeth, Woodbine, Schapville, Loran, Kent, Elizabeth Fairgrounds, Canyon Camp, Willow, Stockton Airport, Elmoville, Apple Canyon Lake, Rodden and North Hanover. Frequent cloud to ground lightning is occurring with this storm. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle. LAT...LON 4231 9033 4246 9026 4235 8979 4220 8980 TIME...MOT...LOC 0525Z 287DEG 21KT 4231 9005 Gross
Special weather statement, Apr 5, 1:11 AM CDT, 4 hours 25 minutes before
Special Weather Statement National Weather Service Quad Cities IA/IL 111 AM CDT Mon Apr 5 2021 ILC015-085-050645- Jo Daviess-Carroll- 111 AM CDT Mon Apr 5 2021 ...A STRONG THUNDERSTORM WILL AFFECT SOUTHERN JO DAVIESS AND NORTHWESTERN CARROLL COUNTIES UNTIL 145 AM CDT... At 110 AM CDT, a strong thunderstorm was located near Hanover, or 15 miles northwest of Mount Carroll, moving east at 30 mph. Winds in excess of 30 mph and half inch hail are possible with this storm. Locations impacted include... Hanover, Massbach and Camp Far Horizons. Frequent cloud to ground lightning is occurring with this storm. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle. LAT...LON 4221 9034 4231 9022 4222 8992 4210 9000 TIME...MOT...LOC 0610Z 289DEG 24KT 4223 9022 McClure
Special weather statement, Apr 5, 1:54 AM CDT, 3 hours 42 minutes before
Special Weather Statement National Weather Service Quad Cities IA/IL 154 AM CDT Mon Apr 5 2021 ILC015-195-IAC045-097-050730- Whiteside-Carroll-Jackson-Clinton- 154 AM CDT Mon Apr 5 2021 ...A STRONG THUNDERSTORM WILL AFFECT NORTH CENTRAL WHITESIDE... SOUTHEASTERN CARROLL...SOUTHEASTERN JACKSON AND NORTHEASTERN CLINTON COUNTIES UNTIL 230 AM CDT... At 154 AM CDT, a strong thunderstorm was located near Sabula, or 10 miles southwest of Mount Carroll, moving southeast at 35 mph. Winds in excess of 30 mph and penny size hail are possible with this storm. Locations impacted include... Milledgeville, Fairhaven, Sabula, Chadwick, Coleta, Argo Fay, Thomson, Ideal, Franklin Corners, Carroll County Fairgrounds, White Pigeon, South Sabula Lake Park, Thomson Causeway and Wacker. LAT...LON 4198 9024 4208 9019 4199 8972 4185 8984 TIME...MOT...LOC 0654Z 292DEG 30KT 4201 9015 Gross
Special weather statement, Apr 5, 5:36 AM CDT, 0 minutes before
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</html>The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 4, 11:36 PM CDT | Special Weather Statement | DVN | Jo Daviess | 39 min |
| Apr 5, 12:26 AM CDT | Special Weather Statement | DVN | Jo Daviess | 34 min |
| Apr 5, 1:11 AM CDT | Special Weather Statement | DVN | Jo Daviess | 34 min |
| Apr 5, 1:54 AM CDT | Special Weather Statement | DVN | Carroll | 36 min |
Nearby
Special Weather Statements in Iowa, 2021Every special weather statement in 2021
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.