Alert archive / Iowa / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 131, NWS Quad Cities, IA
NWS Quad Cities, IA issued this severe thunderstorm warning at Jun 28, 2017, 9:12 PM CDT for Benton County, Linn County, Iowa. It was in force for 48 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
- Jun 28, 2017, 9:12 PM CDT (02:12 UTC)
- Expired
- Jun 28, 2017, 10:00 PM CDT
- In force
- 48 min
- Issued by
- NWS Quad Cities, IA
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Benton County, IA, Linn County, IA
The radar
The Quad Cities radar (KDVN), 122 km from the middle of the area, began a volume at 02:16 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 28, 2:53 PM CDT | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 2.2 hours before the alert went out and 127 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
- 1521 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 1099 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 259 m²/s²
- 0-3 km storm-relative helicity
- 334 m²/s²
- Significant tornado parameter
- 2.7
- Supercell composite
- 15.1
The text
As transmitted.
679
WUUS53 KDVN 290212
SVRDVN
IAC011-113-290300-
/O.NEW.KDVN.SV.W.0131.170629T0212Z-170629T0300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Quad Cities IA
Issued by National Weather Service Des Moines IA
912 PM CDT WED JUN 28 2017
The National Weather Service in Quad Cities has issued a
* Severe Thunderstorm Warning for...
Northeastern Benton County in east central Iowa...
Linn County in east central Iowa...
* Until 1000 PM CDT.
* At 912 PM CDT, a severe thunderstorm was located near Vinton,
moving east at 50 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Cedar Rapids, Vinton, Marion, Hiawatha, Mount Vernon, Robins,
Center Point, Lisbon, Urbana, Central City, Springville, Palo,
Shellsburg, Walker, Alburnett, Coggon, Garrison, Martelle,
Prairieburg and Mount Auburn.
This includes Interstate 380 near mile marker 48.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
A tornado watch remains in effect until 1000 PM CDT for northeastern
and east central Iowa.
LAT...LON 4230 9212 4228 9137 4192 9136 4213 9218
TIME...MOT...LOC 0212Z 281DEG 43KT 4221 9205
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
$$
RP Kinney3 follow-up statements
732 WWUS53 KDVN 290226 SVSDVN Severe Weather Statement National Weather Service Quad Cities IA Issued by National Weather Service Des Moines IA 926 PM CDT WED JUN 28 2017 IAC011-113-290300- /O.CON.KDVN.SV.W.0131.000000T0000Z-170629T0300Z/ Benton IA-Linn IA- 926 PM CDT WED JUN 28 2017 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR NORTHEASTERN BENTON AND LINN COUNTIES... At 926 PM CDT, a severe thunderstorm was located over Center Point, or 10 miles east of Vinton, moving east at 50 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Cedar Rapids, Vinton, Marion, Hiawatha, Mount Vernon, Robins, Center Point, Lisbon, Urbana, Central City, Springville, Palo, Shellsburg, Walker, Alburnett, Coggon, Martelle, Prairieburg, Toddville and Troy Mills. This includes Interstate 380 near mile marker 48. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && A tornado watch remains in effect until 1000 PM CDT for northeastern and east central Iowa. LAT...LON 4228 9137 4192 9136 4209 9203 4230 9199 TIME...MOT...LOC 0226Z 281DEG 43KT 4218 9183 HAIL...0.75IN WIND...60MPH $$ RP Kinney
178
WWUS53 KDVN 290247
SVSDVN
Severe Weather Statement
National Weather Service Quad Cities IA
Issued by National Weather Service Des Moines IA
947 PM CDT WED JUN 28 2017
IAC011-290257-
/O.CAN.KDVN.SV.W.0131.000000T0000Z-170629T0300Z/
Benton IA-
947 PM CDT WED JUN 28 2017
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN BENTON COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A tornado watch remains in effect until midnight CDT for east central
Iowa.
LAT...LON 4228 9137 4192 9136 4204 9182 4229 9175
TIME...MOT...LOC 0247Z 281DEG 43KT 4213 9149
$$
IAC113-290300-
/O.CON.KDVN.SV.W.0131.000000T0000Z-170629T0300Z/
Linn IA-
947 PM CDT WED JUN 28 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT
FOR LINN COUNTY...
At 947 PM CDT, a severe thunderstorm was located over Whittier, or 10
miles west of Anamosa, moving east at 50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Cedar Rapids, Marion, Hiawatha, Mount Vernon, Robins, Center Point,
Lisbon, Central City, Springville, Palo, Alburnett, Coggon, Martelle,
Prairieburg, Toddville, Waubeek, Viola, Whittier, Paris and Troy
Mills.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
A tornado watch remains in effect until midnight CDT for east central
Iowa.
LAT...LON 4228 9137 4192 9136 4204 9182 4229 9175
TIME...MOT...LOC 0247Z 281DEG 43KT 4213 9149
HAIL...<.75IN
WIND...60MPH
$$
RP Kinney130
WWUS53 KDVN 290257
SVSDVN
Severe Weather Statement
National Weather Service Quad Cities IA
Issued by National Weather Service Des Moines IA
957 PM CDT WED JUN 28 2017
IAC113-290307-
/O.EXP.KDVN.SV.W.0131.000000T0000Z-170629T0300Z/
Linn IA-
957 PM CDT WED JUN 28 2017
...THE SEVERE THUNDERSTORM WARNING FOR LINN COUNTY WILL EXPIRE AT
1000 PM CDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore the warning will be allowed to expire.
A tornado watch remains in effect until midnight CDT for east central
Iowa.
LAT...LON 4228 9137 4192 9136 4204 9182 4229 9175
TIME...MOT...LOC 0257Z 281DEG 43KT 4212 9141
$$
RP KinneyThe office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 28, 7:02 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Buchanan, Linn | 43 min |
| Jun 28, 7:24 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque, Jackson | 51 min |
| Jun 28, 7:24 PM CDT | Tornado Warning | DVN | Dubuque, Jackson, Jones | 51 min |
| Jun 28, 7:28 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton, Jackson, Jones | 38 min |
| Jun 28, 7:47 PM CDT | Tornado Warning | DVN | Clinton, Jackson, Jones | 43 min |
| Jun 28, 8:01 PM CDT | Severe Thunderstorm Warning | DVN | Jones, Linn | 23 min |
| Jun 28, 8:24 PM CDT | Tornado Warning | DVN | Jackson | 51 min |
| Jun 28, 9:18 PM CDT | River Flood Warning | DVN | Clinton, Scott | 4 days |
| Jun 28, 10:03 PM CDT | Severe Thunderstorm Warning | DVN | Lee | 42 min |
| Jun 29, 4:54 PM CDT | Special Weather Statement | DVN | Buchanan | 36 min |
Nearby
Severe Thunderstorm Warnings in Iowa, 2017Every severe thunderstorm warning in 2017
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.