Alert archive / Iowa / Tornado Warnings in 2015
Tornado Warning 28, NWS Quad Cities, IA
NWS Quad Cities, IA issued this tornado warning at Dec 23, 2015, 4:45 PM CST for Rock Island County, Illinois; Clinton County, Scott County, Iowa. It was in force for 30 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
- Dec 23, 2015, 4:45 PM CST (22:45 UTC)
- Expired
- Dec 23, 2015, 5:15 PM CST
- In force
- 30 min
- Issued by
- NWS Quad Cities, IA
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Clinton County, IA, Scott County, IA, Rock Island County, IL
The radar
The Quad Cities radar (KDVN), 15 km from the middle of the area, began a volume at 22:48 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 |
|---|---|---|---|
| Dec 23, 5:01 PM CST | HAIL 0.25 | Davenport, IA | NEAR SPRUCE HILLS AND I74 |
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 |
|---|---|---|---|
| Dec 23, 1:55 PM CST | Tornado Watch | SPC | 4 hr |
The nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 10.8 hours before the alert went out and 9 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
- 1366 m above ground
- 0-6 km bulk shear
- 74 kt
- 0-1 km storm-relative helicity
- -11 m²/s²
- 0-3 km storm-relative helicity
- 229 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
392
WFUS53 KDVN 232245
TORDVN
ILC161-IAC045-163-232315-
/O.NEW.KDVN.TO.W.0028.151223T2245Z-151223T2315Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
445 PM CST WED DEC 23 2015
THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A
* TORNADO WARNING FOR...
CENTRAL ROCK ISLAND COUNTY IN NORTHWESTERN ILLINOIS...
SOUTH CENTRAL CLINTON COUNTY IN EAST CENTRAL IOWA...
EASTERN SCOTT COUNTY IN EAST CENTRAL IOWA...
* UNTIL 515 PM CST
* AT 445 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED NEAR MILAN...OR NEAR ROCK ISLAND...MOVING
NORTHEAST AT 45 MPH.
HAZARD...TORNADO.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED.
DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE
DAMAGE IS LIKELY.
* THIS DANGEROUS STORM WILL BE NEAR...
ROCK ISLAND AROUND 455 PM CST.
DAVENPORT...MOLINE...SILVIS AND RIVERDALE AROUND 500 PM CST.
BETTENDORF...EAST MOLINE...ELDRIDGE AND HAMPTON AROUND 505 PM CST.
LE CLAIRE...RAPIDS CITY AND LONG GROVE AROUND 510 PM CST.
PORT BYRON...PRINCETON...CORDOVA AND MCCAUSLAND AROUND 515 PM CST.
OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
PANORAMA PARK...SILVIS HEIGHTS...ILLINIWEK FOREST PRESERVE...SCOTT
COUNTY PARK...FISHERMANS CORNER...DAVENPORT MUNICIPAL AIRPORT...
MISSISSIPPI VALLEY FAIRGROUNDS...ROCK CREEK MARINA AND CAMPGROUND...
PARK VIEW AND MALONE.
THIS INCLUDES THE FOLLOWING HIGHWAYS...
INTERSTATE 74 IN IOWA BETWEEN MILE MARKERS 1 AND 5.
INTERSTATE 80 IN IOWA BETWEEN MILE MARKERS 292 AND 306.
INTERSTATE 80 IN ILLINOIS BETWEEN MILE MARKERS 1 AND 2.
INTERSTATE 74 IN ILLINOIS BETWEEN MILE MARKERS 2 AND 3.
INTERSTATE 280 BETWEEN MILE MARKERS 3 AND 18.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A
MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4133 9058 4133 9060 4142 9079 4185 9047
4173 9024 4172 9023 4170 9024 4170 9023
4168 9023 4167 9021
TIME...MOT...LOC 2245Z 214DEG 38KT 4144 9064
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
NICHOLS3 follow-up statements
590
WWUS53 KDVN 232257
SVSDVN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
457 PM CST WED DEC 23 2015
ILC161-IAC045-163-232315-
/O.CON.KDVN.TO.W.0028.000000T0000Z-151223T2315Z/
ROCK ISLAND IL-CLINTON IA-SCOTT IA-
457 PM CST WED DEC 23 2015
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM CST FOR EASTERN
ROCK ISLAND...SOUTH CENTRAL CLINTON AND EASTERN SCOTT COUNTIES...
AT 457 PM CST...A CONFIRMED TORNADO WAS LOCATED OVER ROCK ISLAND...
MOVING NORTHEAST AT 45 MPH.
HAZARD...DAMAGING TORNADO.
SOURCE...WEATHER SPOTTERS CONFIRMED A TORNADO AROUND 445 PM CST.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
LIKELY.
THIS TORNADO WILL BE NEAR...
RIVERDALE AROUND 500 PM CST.
BETTENDORF...EAST MOLINE AND SILVIS AROUND 505 PM CST.
LE CLAIRE...HAMPTON AND RAPIDS CITY AROUND 510 PM CST.
PORT BYRON...PRINCETON...CORDOVA AND MCCAUSLAND AROUND 515 PM CST.
OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
PANORAMA PARK...SILVIS HEIGHTS...ILLINIWEK FOREST PRESERVE...PARK
VIEW...SCOTT COUNTY PARK...MALONE...PLEASANT VALLEY...FISHERMANS
CORNER...CREDIT ISLAND AND ROCK ISLAND ARSENAL.
THIS INCLUDES THE FOLLOWING HIGHWAYS...
INTERSTATE 74 IN IOWA BETWEEN MILE MARKERS 1 AND 5.
INTERSTATE 80 IN IOWA BETWEEN MILE MARKERS 292 AND 306.
INTERSTATE 80 IN ILLINOIS BETWEEN MILE MARKERS 1 AND 2.
INTERSTATE 74 IN ILLINOIS BETWEEN MILE MARKERS 2 AND 3.
INTERSTATE 280 BETWEEN MILE MARKERS 4 AND 6...AND BETWEEN MILE
MARKERS 16 AND 18.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPEAT...A TORNADO IS ON THE GROUND. TAKE COVER NOW! MOVE TO A
BASEMENT OR AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY
BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A MOBILE HOME...OR
IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4142 9048 4144 9053 4153 9070 4185 9047
4173 9024 4172 9023 4170 9024 4170 9023
4168 9023 4167 9021
TIME...MOT...LOC 2257Z 218DEG 39KT 4152 9053
TORNADO...OBSERVED
HAIL...<.75IN
$$
NICHOLS751
WWUS53 KDVN 232308
SVSDVN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
508 PM CST WED DEC 23 2015
ILC161-IAC045-163-232315-
/O.CON.KDVN.TO.W.0028.000000T0000Z-151223T2315Z/
ROCK ISLAND IL-CLINTON IA-SCOTT IA-
508 PM CST WED DEC 23 2015
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM CST FOR EASTERN
ROCK ISLAND...SOUTH CENTRAL CLINTON AND EASTERN SCOTT COUNTIES...
AT 508 PM CST...A CONFIRMED TORNADO WAS LOCATED OVER LE CLAIRE...OR
NEAR BETTENDORF...MOVING NORTHEAST AT 45 MPH.
HAZARD...DAMAGING TORNADO.
SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
LIKELY.
THIS TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
EASTERN ROCK ISLAND...SOUTH CENTRAL CLINTON AND EASTERN SCOTT
COUNTIES...INCLUDING THE FOLLOWING LOCATIONS...PANORAMA PARK...SILVIS
HEIGHTS...ILLINIWEK FOREST PRESERVE...PARK VIEW...SCOTT COUNTY
PARK...MALONE...PLEASANT VALLEY...FISHERMANS CORNER...CREDIT ISLAND
AND ROCK ISLAND ARSENAL.
THIS INCLUDES THE FOLLOWING HIGHWAYS...
INTERSTATE 74 IN IOWA BETWEEN MILE MARKERS 1 AND 5.
INTERSTATE 80 IN IOWA BETWEEN MILE MARKERS 292 AND 306.
INTERSTATE 80 IN ILLINOIS BETWEEN MILE MARKERS 1 AND 2.
INTERSTATE 74 IN ILLINOIS BETWEEN MILE MARKERS 2 AND 3.
INTERSTATE 280 BETWEEN MILE MARKERS 4 AND 6...AND BETWEEN MILE
MARKERS 16 AND 18.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPEAT...A TORNADO IS ON THE GROUND. TAKE COVER NOW! MOVE TO A
BASEMENT OR AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY
BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A MOBILE HOME...OR
IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4142 9048 4144 9053 4153 9070 4185 9047
4173 9024 4172 9023 4170 9024 4170 9023
4168 9023 4167 9021
TIME...MOT...LOC 2308Z 222DEG 38KT 4163 9040
TORNADO...OBSERVED
HAIL...<.75IN
$$
NICHOLS961
WWUS53 KDVN 232313
SVSDVN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
513 PM CST WED DEC 23 2015
IAC045-163-ILC161-232322-
/O.EXP.KDVN.TO.W.0028.000000T0000Z-151223T2315Z/
ROCK ISLAND IL-CLINTON IA-SCOTT IA-
513 PM CST WED DEC 23 2015
...THE TORNADO WARNING FOR EASTERN ROCK ISLAND...SOUTH CENTRAL
CLINTON AND EASTERN SCOTT COUNTIES WILL EXPIRE AT 515 PM CST...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER APPEARS CAPABLE OF PRODUCING A TORNADO.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CST FOR NORTHWESTERN
ILLINOIS AND EAST CENTRAL IOWA.
LAT...LON 4142 9048 4144 9053 4153 9070 4185 9047
4173 9024 4172 9023 4170 9024 4170 9023
4168 9023 4167 9021
TIME...MOT...LOC 2311Z 214DEG 38KT 4163 9040
$$
NICHOLSThe office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 23, 10:51 AM CST | River Flood Warning | DVN | Mercer, Rock Island | 6 days |
| Dec 23, 10:51 AM CST | River Flood Warning | DVN | Hancock | 7 days |
| Dec 23, 2:23 PM CST | Wind Advisory | DVN | Bureau, Carroll, Henry, Jo Daviess, McDonough, Mercer and 5 more | 9 hr |
| Dec 23, 2:53 PM CST | Severe Thunderstorm Warning | DVN | Hancock | 52 min |
| Dec 23, 3:35 PM CST | Severe Thunderstorm Warning | DVN | Hancock, Henderson | 40 min |
| Dec 23, 4:16 PM CST | Special Weather Statement | DVN | Warren | 29 min |
| Dec 23, 4:19 PM CST | Tornado Warning | DVN | McDonough, Warren | 26 min |
| Dec 23, 5:10 PM CST | Special Weather Statement | DVN | Henry | 35 min |
| Dec 23, 5:36 PM CST | Special Weather Statement | DVN | Bureau | 39 min |
| Dec 23, 3:19 PM CST | Special Weather Statement | DVN | Henry | 26 min |
| Dec 23, 3:25 PM CST | Severe Thunderstorm Warning | DVN | Henry, Jefferson, Washington | 35 min |
| Dec 23, 3:43 PM CST | Special Weather Statement | DVN | Louisa | 47 min |
| Dec 23, 4:09 PM CST | Special Weather Statement | DVN | Louisa, Muscatine | 36 min |
Nearby
Tornado Warnings in Iowa, 2015Tornado Warnings in Illinois, 2015Every tornado warning in 2015Tornadoes in 2015
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.