Alert archive / Illinois / Tornado Warnings in 2007
Tornado Warning 5, NWS Quad Cities, IA
NWS Quad Cities, IA issued this tornado warning at Mar 31, 2007, 5:34 PM CDT for Mercer County, Rock Island County, Illinois; Muscatine County, Scott County, Iowa. It was in force for 26 min. 1 report 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
- Mar 31, 2007, 5:34 PM CDT (22:34 UTC)
- Expired
- Mar 31, 2007, 6:00 PM CDT
- In force
- 26 min
- Issued by
- NWS Quad Cities, IA
- Area
- Counties, with a storm outline in the text
Counties Muscatine County, IA, Scott County, IA, Mercer County, IL, Rock Island County, IL
The radar
The Quad Cities radar (KDVN), 28 km from the middle of the area, began a volume at 22:36 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 31, 5:53 PM CDT | HAIL 1 | 1 W Andalusia, IL |
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 |
|---|---|---|---|
| Mar 31, 1:47 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 10.6 hours before the alert went out and 34 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
- 843 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 290 m²/s²
- 0-3 km storm-relative helicity
- 318 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KDVN 312234 TORDVN IAC139-163-ILC131-161-312300- /O.NEW.KDVN.TO.W.0005.070331T2234Z-070331T2300Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE QUAD CITIES IA IL 534 PM CDT SAT MAR 31 2007 THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A * TORNADO WARNING FOR... MUSCATINE COUNTY IN EAST CENTRAL IOWA... SCOTT COUNTY IN EAST CENTRAL IOWA... MERCER COUNTY IN NORTHWEST ILLINOIS... ROCK ISLAND COUNTY IN NORTHWEST ILLINOIS... * UNTIL 600 PM CDT. * AT 532 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A TORNADO NEAR ELIZA...OR ABOUT 10 MILES NORTHWEST OF ALEDO...MOVING NORTH AT 60 MPH. * THE TORNADO WILL BE NEAR... ILLINOIS CITY AND FAIRPORT AROUND 540 PM CDT... MONTPELIER...BUFFALO AND ANDALUSIA AROUND 545 PM CDT... BLUE GRASS AROUND 550 PM CDT... WALCOTT AROUND 555 PM CDT... DONAHUE AND 6 MILES WEST OF LONG GROVE AROUND 600 PM CDT... THIS INCLUDES INTERSTATE 80 IN IOWA BETWEEN MILE MARKERS 280 AND 297. THIS INCLUDES INTERSTATE 280 BETWEEN MILE MARKERS 1 AND 11. DAMAGING STRAIGHT-LINE WINDS ARE LIKELY IN ADDITION TO TORNADOES. A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT SATURDAY EVENING FOR EASTERN IOWA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL MIDNIGHT CDT SUNDAY MORNING FOR NORTHWESTERN ILLINOIS. LAT...LON 4129 9103 4121 9078 4169 9048 4174 9084 $$ DLF
1 follow-up statement
000 WWUS53 KDVN 312251 SVSDVN SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE QUAD CITIES IA IL 550 PM CDT SAT MAR 31 2007 ILC131-312300- /O.CAN.KDVN.TO.W.0005.000000T0000Z-070331T2300Z/ MERCER IL- 550 PM CDT SAT MAR 31 2007 ...THE TORNADO WARNING FOR MERCER COUNTY IS CANCELLED... THE SEVERE **THUNDERSTORM THAT WAS CAPABLE OF PRODUCING A TORNADO MOVED OUT OF THE WARNED AREA. THEREFORE THE TORNADO WARNING HAS BEEN CANCELLED. HOWEVER...OTHER THUNDERSTORMS IN EASTERN MERCER COUNTY ARE CAPABLE OF PRODUCING VERY HEAVY RAIN...PEA SIZE HAIL AND WIND GUST AROUND 40 MPH. A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT SATURDAY EVENING FOR EASTERN IOWA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL MIDNIGHT CDT SUNDAY MORNING FOR NORTHWESTERN ILLINOIS. LAT...LON 4146 9100 4134 9076 4169 9048 4174 9084 $$ IAC139-163-ILC161-312300- /O.CON.KDVN.TO.W.0005.000000T0000Z-070331T2300Z/ SCOTT IA-MUSCATINE IA-ROCK ISLAND IL- 550 PM CDT SAT MAR 31 2007 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM CDT FOR ROCK ISLAND...MUSCATINE AND SCOTT COUNTIES... AT 545 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A TORNADO. THIS TORNADO WAS LOCATED APPROXIMATELY NEAR PLEASANT PRARIE...OR ABOUT 12 MILES WEST OF DAVENPORT...MOVING NORTHEAST AT 70 MPH. THE TORNADO WILL BE NEAR... MAYSVILLE...PLAINVIEW...7 MILES NORTHWEST OF ELDRIDGE AND 7 MILES NORTHWEST OF DAVENPORT MUNICIPAL AIRPORT AROUND 555 PM CDT... DONAHUE...LONG GROVE AND 7 MILES NORTHWEST OF PARK VIEW AROUND 600 PM CDT... THIS INCLUDES INTERSTATE 80 IN IOWA BETWEEN MILE MARKERS 278 AND 296. THIS INCLUDES INTERSTATE 280 BETWEEN MILE MARKERS 1 AND 9. DAMAGING STRAIGHT-LINE WINDS ARE LIKELY IN ADDITION TO TORNADOES. A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT SATURDAY EVENING FOR EASTERN IOWA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL MIDNIGHT CDT SUNDAY MORNING FOR NORTHWESTERN ILLINOIS. LAT...LON 4146 9100 4134 9076 4169 9048 4174 9084 $$ DLF
The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 31, 5:11 PM CDT | Severe Thunderstorm Warning | DVN | Henderson, Mercer | 34 min |
| Mar 31, 5:49 PM CDT | Severe Thunderstorm Warning | DVN | Carroll, Jo Daviess | 37 min |
| Mar 31, 6:57 PM CDT | Severe Thunderstorm Warning | DVN | McDonough | 45 min |
| Mar 31, 2:44 PM CDT | Severe Thunderstorm Warning | DVN | Keokuk | 46 min |
| Mar 31, 3:12 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Buchanan | 48 min |
| Mar 31, 3:20 PM CDT | Severe Thunderstorm Warning | DVN | Jefferson, Van Buren | 25 min |
| Mar 31, 3:25 PM CDT | Tornado Warning | DVN | Iowa, Keokuk | 35 min |
| Mar 31, 3:44 PM CDT | Severe Thunderstorm Warning | DVN | Henry | 31 min |
| Mar 31, 3:53 PM CDT | Tornado Warning | DVN | Benton | 52 min |
| Mar 31, 3:58 PM CDT | Flash Flood Warning | DVN | Benton, Buchanan | 3 hr |
| Mar 31, 4:06 PM CDT | Severe Thunderstorm Warning | DVN | Washington | 39 min |
| Mar 31, 4:34 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan | 26 min |
| Mar 31, 4:42 PM CDT | Severe Thunderstorm Warning | DVN | Johnson | 39 min |
| Mar 31, 4:45 PM CDT | Severe Thunderstorm Warning | DVN | Linn | 30 min |
| Mar 31, 5:19 PM CDT | Severe Thunderstorm Warning | DVN | Delaware | 43 min |
| Mar 31, 5:58 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 14 min |
| Mar 31, 6:00 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Scott | 30 min |
Nearby
Tornado Warnings in Illinois, 2007Tornado Warnings in Iowa, 2007Every tornado warning in 2007Tornadoes in 2007
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.