Alert archive / Iowa / Tornado Warnings in 2008
Tornado Warning 39, NWS Quad Cities, IA
NWS Quad Cities, IA issued this tornado warning at Jul 10, 2008, 1:01 PM CDT for Jones County, Iowa. It was in force for 33 min. 2 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
- Jul 10, 2008, 1:01 PM CDT (18:01 UTC)
- Expired
- Jul 10, 2008, 1:34 PM CDT
- In force
- 33 min
- Issued by
- NWS Quad Cities, IA
- Area
- Storm-based polygon
County Jones County, IA
The radar
The Quad Cities radar (KDVN), 79 km from the middle of the area, began a volume at 18:00 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 10, 1:10 PM CDT | TSTM WND DMG | 4 Ene Monticello, IA | MANY 1 1/2 INCH TREE LIMBS DOWN WITH VERY STRONG THUNDERSTORM WIND GUSTS. NO ESTIMATE OF SPEED. |
| Jul 10, 1:10 PM CDT | HAIL 1.75 | 6 Se Monticello, IA | GOLF BALL SIZE HAIL WITH 60 TO 70 MPH GUSTS. RELAYED BY JONES COUNTY EM. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 6.0 hours before the alert went out and 81 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
- 336 J/kg
- Mixed-layer CIN
- -97 J/kg
- Mixed-layer LCL
- 1383 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 72 m²/s²
- 0-3 km storm-relative helicity
- 122 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KDVN 101801 TORDVN IAC105-101845- /O.NEW.KDVN.TO.W.0039.080710T1801Z-080710T1845Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE QUAD CITIES IA IL 101 PM CDT THU JUL 10 2008 THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A * TORNADO WARNING FOR... NORTHEASTERN JONES COUNTY IN EAST CENTRAL IOWA... * UNTIL 145 PM CDT. * AT 1256 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A TORNADO NEAR MONTICELLO...OR 10 MILES NORTH OF ANAMOSA...MOVING EAST AT 24 MPH. * THE TORNADO WILL BE NEAR... PICTURED ROCKS WILDLIFE MANAGEMENT AREA AROUND 110 PM CDT... SCOTCH GROVE AROUND 115 PM CDT... TEMPLE HILL AROUND 125 PM CDT... THE SAFEST PLACE TO BE IN A TORNADO IS IN A BASEMENT OR INTERIOR ROOM OR HALLWAY ON THE LOWEST FLOOR OF A BUILDING. LAT...LON 4229 9090 4210 9090 4219 9123 4229 9124 TIME...MOT...LOC 1801Z 288DEG 21KT 4224 9119 $$ SHEETS
2 follow-up statements
000 WWUS53 KDVN 101817 SVSDVN SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE QUAD CITIES IA IL 117 PM CDT THU JUL 10 2008 IAC105-101845- /O.CON.KDVN.TO.W.0039.000000T0000Z-080710T1845Z/ JONES IA- 117 PM CDT THU JUL 10 2008 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 145 PM CDT FOR NORTHEASTERN JONES COUNTY... AT 114 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A POSSIBLE TORNADO. THIS TORNADO WAS LOCATED APPROXIMATELY NEAR PICTURED ROCKS WILDLIFE MANAGEMENT AREA...OR 13 MILES NORTHEAST OF ANAMOSA...MOVING EAST AT 24 MPH. THE TORNADO WILL BE NEAR... TEMPLE HILL AROUND 125 PM CDT... CANTON AROUND 140 PM CDT... THE SAFEST PLACE TO BE IN A TORNADO IS IN A BASEMENT OR INTERIOR ROOM OR HALLWAY ON THE LOWEST FLOOR OF A BUILDING. LAT...LON 4229 9090 4210 9090 4219 9123 4229 9124 TIME...MOT...LOC 1817Z 288DEG 21KT 4222 9107 $$ SHEETS
000 WWUS53 KDVN 101834 SVSDVN SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE QUAD CITIES IA IL 132 PM CDT THU JUL 10 2008 IAC105-101842- /O.CAN.KDVN.TO.W.0039.000000T0000Z-080710T1845Z/ JONES IA- 132 PM CDT THU JUL 10 2008 ...THE TORNADO WARNING FOR NORTHEASTERN JONES COUNTY IS CANCELLED... AT 130 PM CDT...DOPPLER RADAR NO LONGER INDICATED A LIKELY TORNADO WITH THE SEVERE THUNDERSTORM MOVING ACROSS NORTHEAST JONES COUNTY. THUS...THE TORNADO WARNING HAS BEEN CANCELLED. HOWEVER...THIS STORM IS STILL SEVERE AND CAPABLE OF PRODUCING VERY LARGE HAIL AND DAMAGING WINDS. A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHEAST JONES COUNTY UNTIL 215 PM CDT. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT THURSDAY EVENING FOR EASTERN IOWA AND NORTHWESTERN ILLINOIS. LAT...LON 4229 9090 4210 9090 4219 9123 4229 9124 TIME...MOT...LOC 1832Z 288DEG 21KT 4219 9096 $$ SHEETS
The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 10, 9:51 AM CDT | Severe Thunderstorm Warning | DVN | Buchanan, Delaware | 39 min |
| Jul 10, 11:55 AM CDT | Flash Flood Warning | DVN | Delaware | 3 hr |
| Jul 10, 12:06 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan, Delaware | 39 min |
| Jul 10, 12:33 PM CDT | Tornado Warning | DVN | Delaware, Jones, Linn | 27 min |
| Jul 10, 12:43 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque, Jones | 62 min |
| Jul 10, 1:13 PM CDT | Flash Flood Warning | DVN | Dubuque, Jackson, Jones | 2 hr |
| Jul 10, 1:29 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque, Jackson, Jones | 46 min |
| Jul 10, 1:54 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Jackson | 51 min |
| Jul 10, 2:24 PM CDT | Tornado Warning | DVN | Clinton | 36 min |
| Jul 10, 2:41 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Jackson | 49 min |
| Jul 10, 2:53 PM CDT | Tornado Warning | DVN | Clinton | 39 min |
| Jul 10, 3:01 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Scott | 44 min |
| Jul 10, 4:54 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan, Delaware, Linn | 51 min |
| Jul 10, 5:56 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque, Jackson, Jones, Linn | 64 min |
| Jul 10, 6:14 PM CDT | Tornado Warning | DVN | Delaware, Jones, Linn | 31 min |
| Jul 10, 6:45 PM CDT | Tornado Warning | DVN | Jones | 30 min |
| Jul 10, 6:57 PM CDT | Flash Flood Warning | DVN | Jackson, Jones | 2 hr |
| Jul 10, 6:58 PM CDT | Severe Thunderstorm Warning | DVN | Jackson, Jones | 27 min |
Nearby
Tornado Warnings in Iowa, 2008Every tornado warning in 2008Tornadoes in 2008
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.