Alert archive / Missouri / Areal Flood Warnings in 2021
Areal Flood Warning 4, NWS St. Louis, MO
NWS St. Louis, MO issued this areal flood warning at Jun 26, 2021, 1:25 AM CDT for 4 counties in Missouri; Adams County, Pike County, Illinois. It was in force for 14 hr. 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 26, 2021, 1:25 AM CDT (06:25 UTC)
- Expired
- Jun 26, 2021, 3:15 PM CDT
- In force
- 14 hr
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Flood severity
- None
Counties Adams County, IL, Pike County, IL, Marion County, MO, Monroe County, MO, Pike County, MO, Ralls County, MO
The radar
The St Louis radar (KLSX), 125 km from the middle of the area, began a volume at 06:26 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 nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 6.4 hours before the alert went out and 216 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
- 316 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 897 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 69 m²/s²
- 0-3 km storm-relative helicity
- 137 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.8
The text
As transmitted.
039
WGUS43 KLSX 260625
FLWLSX
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service St Louis MO
125 AM CDT Sat Jun 26 2021
ILC001-149-MOC127-137-163-173-261815-
/O.NEW.KLSX.FA.W.0004.210626T0625Z-210626T1815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Adams IL-Pike IL-Marion MO-Monroe MO-Pike MO-Ralls MO-
125 AM CDT Sat Jun 26 2021
The National Weather Service in St Louis has issued a
* Flood Warning for Urban area and small stream in...
Southern Adams County in west central Illinois...
Northwestern Pike County in west central Illinois...
Southern Marion County in northeastern Missouri...
Northeastern Monroe County in northeastern Missouri...
Northwestern Pike County in northeastern Missouri...
Ralls County in northeastern Missouri...
* Until 115 PM CDT Saturday.
* At 125 AM CDT, Doppler radar indicated 2 to 4 inches of rain has
fallen from earlier thunderstorms. Several roads remain closed
that this hour because of the heavy rainfall.
* Flooding of small creeks and streams, urban areas, highways,
streets and underpasses as well as other poor drainage and
low-lying areas.
* Some locations that will experience flooding include...
Hannibal, Palmyra, Monroe City, Barry, Payson, New London, Perry,
Fall Creek, Center, Beverly, Frankford, Rensselaer, Spaulding,
Adams, Kingston, Liberty, Hull, Richfield, New Canton and
Plainville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 3973 9183 3999 9092 3991 9092 3990 9092
3989 9092 3988 9092 3987 9092 3986 9092
3984 9092 3956 9091 3941 9145 3936 9162
3952 9171
$$
Britt2 follow-up statements
304
WGUS83 KLSX 261023
FLSLSX
Flood Statement
National Weather Service St Louis MO
523 AM CDT Sat Jun 26 2021
ILC001-149-MOC127-137-163-173-261815-
/O.CON.KLSX.FA.W.0004.000000T0000Z-210626T1815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Adams IL-Pike IL-Marion MO-Monroe MO-Pike MO-Ralls MO-
523 AM CDT Sat Jun 26 2021
...FLOOD WARNING REMAINS IN EFFECT UNTIL 115 PM CDT THIS AFTERNOON
FOR SOUTHERN ADAMS AND NORTHWESTERN PIKE COUNTIES IN WEST CENTRAL
ILLINOIS AND SOUTHERN MARION, NORTHEASTERN MONROE, NORTHWESTERN PIKE
AND RALLS COUNTIES IN NORTHEASTERN MISSOURI...
At 523 AM CDT, Doppler radar indicated additional showers and
thunderstorms have moved across the the warned area. Between 2 and 4
inches of rain have fallen since yesterday evening. Multiple county
roads still likely remain flooded because of the heavy rainfall.
Some locations that will experience flooding include...
Hannibal, Palmyra, Monroe City, Barry, Payson, New London, Perry,
Fall Creek, Center, Beverly, Frankford, Rensselaer, Spaulding,
Adams, Kingston, Liberty, Hull, Richfield, New Canton and
Plainville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3973 9183 3999 9092 3991 9092 3990 9092
3989 9092 3988 9092 3987 9092 3986 9092
3984 9092 3956 9091 3941 9145 3936 9162
3952 9171
$$
Britt932
WGUS43 KLSX 261810
FLWLSX
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service St Louis MO
110 PM CDT Sat Jun 26 2021
ILC001-149-MOC127-137-163-173-262015-
/O.EXT.KLSX.FA.W.0004.000000T0000Z-210626T2015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Adams IL-Pike IL-Marion MO-Monroe MO-Pike MO-Ralls MO-
110 PM CDT Sat Jun 26 2021
The National Weather Service in St Louis has extended the
* Flood Warning for...
Southern Adams County in west central Illinois...
Northwestern Pike County in west central Illinois...
Southern Marion County in northeastern Missouri...
Northeastern Monroe County in northeastern Missouri...
Northwestern Pike County in northeastern Missouri...
Ralls County in northeastern Missouri...
* Until 315 PM CDT.
* At 110 PM CDT, local law enforcement reported flooding of several
roads continues in the warned area. Between 2 and 4 inches of
rain have fallen. Radar indicates additional thunderstorms could
add to these totals.
* Some locations that will experience flooding include...
Hannibal, Palmyra, Monroe City, Barry, Payson, New London, Perry,
Fall Creek, Center, Beverly, Frankford, Rensselaer, Spaulding,
Adams, Kingston, Liberty, Hull, Richfield, New Canton and
Plainville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3973 9183 3999 9092 3991 9092 3990 9092
3989 9092 3988 9092 3987 9092 3986 9092
3984 9092 3956 9091 3941 9145 3936 9162
3952 9171
$$
FuchsThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 25, 7:15 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 45 min |
| Jun 25, 7:20 PM CDT | Severe Thunderstorm Warning | LSX | Lincoln, Warren | 40 min |
| Jun 25, 7:32 PM CDT | Flash Flood Warning | LSX | Marion, Monroe, Pike, Ralls | 6 hr |
| Jun 25, 7:50 PM CDT | Flash Flood Warning | LSX | Lincoln, Montgomery, Saint Charles, Warren | 6 hr |
| Jun 25, 8:00 PM CDT | Flash Flood Warning | LSX | Audrain, Montgomery, Pike, Ralls | 6 hr |
| Jun 25, 8:11 PM CDT | Flash Flood Warning | LSX | Boone, Callaway, Cole, Montgomery, Osage, Warren | 4 hr |
| Jun 25, 9:29 PM CDT | Flash Flood Warning | LSX | Lincoln, Saint Charles | 6 hr |
| Jun 25, 9:43 PM CDT | Flash Flood Warning | LSX | Lincoln, Montgomery, Saint Charles, Warren | 4 hr |
| Jun 25, 11:32 PM CDT | River Flood Warning | LSX | Marion | 11 hr |
| Jun 26, 12:43 AM CDT | Flash Flood Warning | LSX | Audrain, Boone, Callaway, Cole, Gasconade, Moniteau and 5 more | 6 hr |
| Jun 26, 12:55 AM CDT | River Flood Warning | LSX | Cole | 35 hr |
| Jun 26, 1:48 AM CDT | Flash Flood Warning | LSX | Franklin, Gasconade, Lincoln, Montgomery, Saint Charles, Warren | 6 hr |
| Jun 26, 3:29 AM CDT | Areal Flood Warning | LSX | Lincoln, Saint Charles | 9 hr |
| Jun 26, 6:25 AM CDT | Areal Flood Warning | LSX | Audrain, Boone, Callaway, Cole, Gasconade, Moniteau and 4 more | 11 hr |
| Jun 26, 7:34 AM CDT | Areal Flood Warning | LSX | Franklin, Gasconade, Lincoln, Montgomery, Saint Charles, Warren | 8 hr |
| Jun 26, 11:42 AM CDT | River Flood Warning | LSX | Jefferson, Saint Louis | 8 days |
| Jun 26, 11:44 AM CDT | River Flood Warning | LSX | Saint Charles | 7 days |
| Jun 26, 12:13 PM CDT | River Flood Warning | LSX | Perry, Sainte Genevieve | 9 days |
| Jun 26, 1:37 PM CDT | Tornado Warning | LSX | Lincoln, Pike | 38 min |
| Jun 26, 3:22 PM CDT | Areal Flood Warning | LSX | Lincoln | 2 hr |
| Jun 26, 1:22 PM CDT | Tornado Warning | LSX | Greene | 15 min |
| Jun 26, 2:09 PM CDT | Severe Thunderstorm Warning | LSX | Greene | 51 min |
Nearby
Areal Flood Warnings in Missouri, 2021Areal Flood Warnings in Illinois, 2021Every areal flood warning in 2021
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.