Alert archive / Iowa / Tornado Warnings in 2010
Tornado Warning 21, NWS Quad Cities, IA
NWS Quad Cities, IA issued this tornado warning at Jun 23, 2010, 4:12 PM CDT for Rock Island County, Illinois; Muscatine County, Scott County, Iowa. It was in force for 48 min. 4 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 23, 2010, 4:12 PM CDT (21:12 UTC)
- Expired
- Jun 23, 2010, 5:00 PM CDT
- In force
- 48 min
- Issued by
- NWS Quad Cities, IA
- Area
- Storm-based polygon
Counties Muscatine County, IA, Scott County, IA, Rock Island County, IL
The radar
The Quad Cities radar (KDVN), 22 km from the middle of the area, began a volume at 21:12 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 23, 4:16 PM CDT | TSTM WND GST 65 | Muscatine, IA | ALSO PEA HAIL. FORMER SPOTTER MU45. |
| Jun 23, 4:25 PM CDT | TSTM WND DMG | 1 S Blue Grass, IA | FLAG POLE BENT. GAZEBO BLOWN OVER. LIMBS DOWN. PEA SIZED HAIL. POWER OUTAGE. TIME ESTIMATED. |
| Jun 23, 4:29 PM CDT | TSTM WND DMG | Muscatine, IA | TREE LIMBS DOWN. REAL ESTATE SIGNS DOWN. HEAVY RAIN. |
| Jun 23, 4:30 PM CDT | TSTM WND DMG | Buffalo, IA | TREE AND BRANCHES DOWN. SHED FLIPPED OVER. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 23, 2:10 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 9.2 hours before the alert went out and 237 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
- 1735 J/kg
- Mixed-layer CIN
- -84 J/kg
- Mixed-layer LCL
- 1302 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 121 m²/s²
- 0-3 km storm-relative helicity
- 115 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.1
The text
As transmitted, in the capitals the NWS used until 2016.
259 WFUS53 KDVN 232112 TORDVN IAC139-163-ILC161-232200- /O.NEW.KDVN.TO.W.0021.100623T2112Z-100623T2200Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE QUAD CITIES IA IL 412 PM CDT WED JUN 23 2010 THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A * TORNADO WARNING FOR... EASTERN MUSCATINE COUNTY IN EAST CENTRAL IOWA... SOUTH CENTRAL SCOTT COUNTY IN EAST CENTRAL IOWA... CENTRAL ROCK ISLAND COUNTY IN NORTHWEST ILLINOIS... * UNTIL 500 PM CDT. * AT 407 PM CDT...THE PUBLIC REPORTED A TORNADO NEAR MUSCATINE... MOVING EAST AT 40 MPH. DOPPLER RADAR ALSO INDICATED SOME ROTATION. * THE TORNADO WILL BE NEAR... SWEETLAND CENTER AROUND 415 PM CDT... WILDCAT DEN STATE PARK...NEW ERA...FAIRPORT AND ILLINOIS CITY AROUND 420 PM CDT... MIDWAY BEACH...MONTPELIER...LOUD THUNDER FOREST PRESERVE AND PLEASANT PRAIRIE AROUND 425 PM CDT... BLUE GRASS AROUND 430 PM CDT... THIS INCLUDES INTERSTATE 280 BETWEEN MILE MARKERS 3 AND 17. PRECAUTIONARY/PREPAREDNESS ACTIONS... THE SAFEST PLACE TO BE IN A TORNADO IS IN A BASEMENT OR INTERIOR ROOM OR HALLWAY ON THE LOWEST FLOOR OF A BUILDING. HEAVY RAIN MAY OBSCURE THE APPROACH OF THE TORNADO. TAKE SHELTER NOW! A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT WEDNESDAY EVENING FOR SOUTHEASTERN IOWA AND NORTHWESTERN ILLINOIS AND NORTHEAST MISSOURI. && LAT...LON 4159 9054 4140 9049 4134 9116 4152 9121 TIME...MOT...LOC 2111Z 260DEG 40KT 4145 9105 $$ HAASE
2 follow-up statements
109 WWUS53 KDVN 232124 SVSDVN SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE QUAD CITIES IA IL 424 PM CDT WED JUN 23 2010 IAC139-163-ILC161-232200- /O.CON.KDVN.TO.W.0021.000000T0000Z-100623T2200Z/ SCOTT IA-MUSCATINE IA-ROCK ISLAND IL- 424 PM CDT WED JUN 23 2010 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR CENTRAL ROCK ISLAND...EASTERN MUSCATINE AND SOUTH CENTRAL SCOTT COUNTIES... AT 421 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A POSSIBLE TORNADO. THIS TORNADO WAS LOCATED APPROXIMATELY NEAR BLUE GRASS...OR 11 MILES WEST OF DAVENPORT...MOVING EAST AT 40 MPH. THE TORNADO WILL BE NEAR... WEST LAKE PARK AND HIGHLAND SPRING GOLF COURSE AROUND 430 PM CDT... CREDIT ISLAND...DAVENPORT...ROCK ISLAND AND BLACKHAWK STATE PARK AROUND 435 PM CDT... ROCK ISLAND ARSENAL...FRUITLAND AND INDIAN BLUFF PARK AROUND 440 PM CDT... THIS INCLUDES INTERSTATE 280 BETWEEN MILE MARKERS 3 AND 17. PRECAUTIONARY/PREPAREDNESS ACTIONS... THE SAFEST PLACE TO BE IN A TORNADO IS IN A BASEMENT OR INTERIOR ROOM OR HALLWAY ON THE LOWEST FLOOR OF A BUILDING. HEAVY RAIN MAY OBSCURE THE APPROACH OF THE TORNADO. TAKE SHELTER NOW! A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT WEDNESDAY EVENING FOR SOUTHEASTERN IOWA AND NORTHWESTERN ILLINOIS AND NORTHEAST MISSOURI. && LAT...LON 4159 9054 4140 9049 4134 9116 4152 9121 TIME...MOT...LOC 2124Z 261DEG 41KT 4151 9076 $$ HAASE
126 WWUS53 KDVN 232155 SVSDVN SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE QUAD CITIES IA IL 455 PM CDT WED JUN 23 2010 IAC139-163-ILC161-232205- /O.EXP.KDVN.TO.W.0021.000000T0000Z-100623T2200Z/ SCOTT IA-MUSCATINE IA-ROCK ISLAND IL- 455 PM CDT WED JUN 23 2010 ...THE TORNADO WARNING FOR CENTRAL ROCK ISLAND...EASTERN MUSCATINE AND SOUTH CENTRAL SCOTT COUNTIES WILL EXPIRE AT 500 PM CDT... THE SEVERE THUNDERSTORM THAT WAS CAPABLE OF PRODUCING A TORNADO HAS MOVED EAST OUT OF THE WARNED AREA. THEREFORE THE TORNADO WARNING HAS BEEN ALLOWED TO EXPIRE. A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT WEDNESDAY EVENING FOR SOUTHEASTERN IOWA AND NORTHWESTERN ILLINOIS AND NORTHEAST MISSOURI. LAT...LON 4159 9054 4140 9049 4134 9116 4152 9121 TIME...MOT...LOC 2155Z 261DEG 41KT 4156 9029 $$ HAASE
The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 1:14 AM CDT | Special Weather Statement | DVN | Jo Daviess | 61 min |
| Jun 23, 3:42 AM CDT | Severe Thunderstorm Warning | DVN | Carroll, Jo Daviess | 63 min |
| Jun 23, 4:19 AM CDT | Severe Thunderstorm Warning | DVN | Carroll, Rock Island, Whiteside | 56 min |
| Jun 23, 4:34 AM CDT | Heat Advisory | DVN | Hancock, Henderson, McDonough, Warren | 13 hr |
| Jun 23, 5:07 AM CDT | Severe Thunderstorm Warning | DVN | Carroll, Henry, Jo Daviess, Rock Island, Stephenson, Whiteside | 43 min |
| Jun 23, 5:56 AM CDT | Flash Flood Warning | DVN | Carroll | 8 hr |
| Jun 23, 7:29 AM CDT | Flash Flood Warning | DVN | Bureau, Henry, Rock Island, Whiteside | 5 hr |
| Jun 23, 3:25 PM CDT | Severe Thunderstorm Warning | DVN | Mercer, Rock Island | 65 min |
| Jun 23, 3:52 PM CDT | Flash Flood Warning | DVN | Rock Island | 6 hr |
| Jun 23, 4:03 PM CDT | Severe Thunderstorm Warning | DVN | Carroll | 30 min |
| Jun 23, 4:28 PM CDT | Severe Thunderstorm Warning | DVN | Bureau, Henry, Mercer, Rock Island | 62 min |
| Jun 23, 4:53 PM CDT | Severe Thunderstorm Warning | DVN | Henderson, Henry, Mercer, Warren | 67 min |
| Jun 23, 5:05 PM CDT | Severe Thunderstorm Warning | DVN | Bureau, Putnam | 55 min |
| Jun 23, 5:14 PM CDT | Severe Thunderstorm Warning | DVN | Hancock, Henderson, McDonough | 61 min |
| Jun 23, 5:25 PM CDT | Flash Flood Warning | DVN | Bureau, Henry, Putnam, Whiteside | 6 hr |
| Jun 23, 5:30 PM CDT | Flash Flood Warning | DVN | Hancock, Henderson, McDonough, Warren | 6 hr |
| Jun 23, 5:44 PM CDT | Tornado Warning | DVN | Warren | 46 min |
| Jun 23, 5:57 PM CDT | Severe Thunderstorm Warning | DVN | Bureau, Putnam | 35 min |
| Jun 23, 6:30 PM CDT | Severe Thunderstorm Warning | DVN | Hancock, McDonough, Warren | 46 min |
| Jun 22, 8:49 PM CDT | River Flood Warning | DVN | Delaware, Jones | 14 hr |
| Jun 23, 2:28 AM CDT | Severe Thunderstorm Warning | DVN | Buchanan, Delaware | 62 min |
| Jun 23, 10:29 AM CDT | River Flood Warning | DVN | Johnson, Louisa, Washington | 34 hr |
| Jun 23, 3:46 PM CDT | Special Weather Statement | DVN | Clinton | 59 min |
| Jun 23, 3:48 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Henry, Jefferson, Keokuk, Louisa, Washington | 57 min |
| Jun 23, 3:56 PM CDT | Tornado Warning | DVN | Johnson, Louisa, Muscatine | 49 min |
Nearby
Tornado Warnings in Iowa, 2010Tornado Warnings in Illinois, 2010Every tornado warning in 2010Tornadoes in 2010
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.