Alert archive / Arkansas / Tornado Watches in 2004
Tornado Watch 106
The Storm Prediction Center issued this tornado watch at Apr 22, 2004, 7:50 PM CDT for 16 counties in Arkansas; 7 counties in Missouri; 8 counties in Oklahoma. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 22, 2004, 7:50 PM CDT (00:50 UTC)
- Expired
- Apr 23, 2004, 12:00 AM CDT
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
All 31 counties
Baxter County, AR, Benton County, AR, Boone County, AR, Carroll County, AR, Crawford County, AR, Franklin County, AR, Fulton County, AR, Johnson County, AR, Logan County, AR, Madison County, AR, Marion County, AR, Newton County, AR, Pope County, AR, Searcy County, AR, Sebastian County, AR, Washington County, AR, Barry County, MO, Howell County, MO, McDonald County, MO, Oregon County, MO, Ozark County, MO, Stone County, MO, Taney County, MO, Adair County, OK, Cherokee County, OK, Delaware County, OK, Haskell County, OK, McIntosh County, OK, Muskogee County, OK, Sequoyah County, OK, Wagoner County, OK
The radar
The Western Arkansas radar (KSRX), 64 km from the middle of the area, began a volume at 00:54 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.
Warnings issued inside it
36 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 22, 7:52 PM CDT | Tornado Warning | SGF | Barry, Stone | 53 min |
| Apr 22, 7:59 PM CDT | Tornado Warning | SGF | McDonald | 61 min |
| Apr 22, 8:23 PM CDT | Tornado Warning | TSA | Cherokee | 52 min |
| Apr 22, 8:25 PM CDT | Tornado Warning | SGF | Ozark | 65 min |
| Apr 22, 8:35 PM CDT | Severe Thunderstorm Warning | TSA | McIntosh, Pittsburg | 55 min |
| Apr 22, 8:54 PM CDT | Severe Thunderstorm Warning | TSA | Madison | 66 min |
| Apr 22, 9:04 PM CDT | Severe Thunderstorm Warning | TSA | Washington | 56 min |
| Apr 22, 9:19 PM CDT | Severe Thunderstorm Warning | LZK | Pope | 41 min |
| Apr 22, 9:26 PM CDT | Severe Thunderstorm Warning | SGF | Howell | 79 min |
| Apr 22, 9:29 PM CDT | Severe Thunderstorm Warning | SGF | Ozark | 46 min |
| Apr 22, 9:30 PM CDT | Severe Thunderstorm Warning | TSA | Haskell, McIntosh, Pittsburg | 75 min |
| Apr 22, 9:33 PM CDT | Severe Thunderstorm Warning | TSA | Franklin | 42 min |
| Apr 22, 9:47 PM CDT | Severe Thunderstorm Warning | TSA | Crawford | 13 min |
| Apr 22, 9:50 PM CDT | Severe Thunderstorm Warning | TSA | Crawford | 25 min |
| Apr 22, 9:51 PM CDT | Severe Thunderstorm Warning | TSA | Crawford | 24 min |
| Apr 22, 9:56 PM CDT | Severe Thunderstorm Warning | LZK | Johnson | 39 min |
| Apr 22, 9:56 PM CDT | Severe Thunderstorm Warning | TSA | Madison | 64 min |
| Apr 22, 10:06 PM CDT | Severe Thunderstorm Warning | LZK | Pope | 14 min |
| Apr 22, 10:08 PM CDT | Severe Thunderstorm Warning | LZK | Newton | 52 min |
| Apr 22, 10:11 PM CDT | Severe Thunderstorm Warning | TSA | Franklin | 64 min |
| Apr 22, 10:25 PM CDT | Tornado Warning | LZK | Johnson | 40 min |
| Apr 22, 10:25 PM CDT | Severe Thunderstorm Warning | TSA | Sebastian | 65 min |
| Apr 22, 10:42 PM CDT | Severe Thunderstorm Warning | LZK | Baxter | 43 min |
| Apr 22, 10:47 PM CDT | Severe Thunderstorm Warning | LZK | Marion | 58 min |
| Apr 22, 10:50 PM CDT | Severe Thunderstorm Warning | SGF | Oregon | 55 min |
| Apr 22, 10:53 PM CDT | Severe Thunderstorm Warning | TSA | McIntosh | 67 min |
| Apr 22, 10:59 PM CDT | Flash Flood Warning | LZK | Boone | 3 hr |
| Apr 22, 11:01 PM CDT | Severe Thunderstorm Warning | LZK | Searcy | 49 min |
| Apr 22, 11:06 PM CDT | Tornado Warning | LZK | Johnson | 34 min |
| Apr 22, 11:15 PM CDT | Flash Flood Warning | LZK | Baxter, Johnson, Marion, Newton | 3 hr |
| Apr 22, 11:16 PM CDT | Severe Thunderstorm Warning | TSA | Franklin | 59 min |
| Apr 22, 11:24 PM CDT | Flash Flood Warning | TSA | Franklin, Madison | 5 hr |
| Apr 22, 11:27 PM CDT | Severe Thunderstorm Warning | LZK | Pope | 43 min |
| Apr 22, 11:31 PM CDT | Flash Flood Warning | LZK | Fulton | 3 hr |
| Apr 22, 11:46 PM CDT | Severe Thunderstorm Warning | SGF | Oregon | 59 min |
| Apr 22, 11:51 PM CDT | Severe Thunderstorm Warning | LZK | Searcy | 39 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 0.8 hours before the alert went out and 125 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
- 112 J/kg
- Mixed-layer CIN
- -140 J/kg
- Mixed-layer LCL
- 785 m above ground
- 0-6 km bulk shear
- 70 kt
- 0-1 km storm-relative helicity
- 336 m²/s²
- 0-3 km storm-relative helicity
- 543 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.1
The text
As transmitted, in the capitals the NWS used until 2016.
637
WWUS20 KWNS 230059
SEL6
SPC WW 230050
ARZ000-MOZ000-OKZ000-230500-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 106
NWS STORM PREDICTION CENTER NORMAN OK
750 PM CDT THU APR 22 2004
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
NORTHWEST AND NORTH CENTRAL ARKANSAS
FAR SOUTHWEST AND SOUTH CENTRAL MISSOURI
EAST CENTRAL OKLAHOMA
EFFECTIVE THIS THURSDAY NIGHT FROM 750 PM UNTIL MIDNIGHT CDT.
TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE TORNADO WATCH AREA IS ALONG AND 95 STATUTE MILES EAST AND WEST
OF A LINE FROM 25 MILES WEST SOUTHWEST OF FORT SMITH ARKANSAS TO
45 MILES NORTH NORTHEAST OF HARRISON ARKANSAS.
REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.
OTHER WATCH INFORMATION...THIS TORNADO WATCH REPLACES TORNADO
WATCH NUMBER 104. WATCH NUMBER 104 WILL NOT BE IN EFFECT AFTER 750
PM CDT. CONTINUE...WW 105...
DISCUSSION...SEVERAL SUPERCELLS WITH STRONG LOW LEVEL ROTATION
CONTINUE ATTM NEAR AND JUST NORTH OF SURFACE COLD FRONT EXTENDING
E-W NEAR THE MO/AR BORDER SWWD INTO E-CENTRAL OK...AND ALONG OUTFLOW
BOUNDARY EXTENDING INTO NWRN AR. THOUGH COOLING BOUNDARY LAYER WILL
INCREASE INHIBITION TO SURFACE-BASED PARCELS THROUGH THE
EVENING...COMBINATION OF SUFFICIENT SHEAR AND INSTABILITY WILL
REMAIN FAVORABLE FOR SUPERCELLS WITH ATTENDANT THREAT OF ISOLATED
TORNADOES NEAR THE BOUNDARIES FOR A FEW MORE HOURS AS SLY LLJ
INCREASES.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450.
MEAN STORM MOTION VECTOR 26015.
...EVANS
351,0962 365,0943 365,0910 351,0930SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 22, 7:10 PM CDT | Mesoscale Discussion | SPC | Boone, Franklin, Howard, Johnson, Logan, Madison and 5 more | 35 min |
| Apr 22, 9:50 PM CDT | Severe Thunderstorm Watch | SPC | Baxter, Benton, Boone, Carroll, Cleburne, Conway and 25 more | 6 hr |
| Apr 22, 10:52 PM CDT | Mesoscale Discussion | SPC | Conway, Pope, Searcy, Stone, Van Buren | 53 min |
| Apr 22, 11:25 PM CDT | Mesoscale Discussion | SPC | Clay, Craighead, Crittenden, Cross, Greene, Mississippi and 1 more | 65 min |
| Apr 22, 11:40 PM CDT | Severe Thunderstorm Watch | SPC | Clay, Craighead, Crittenden, Cross, Greene, Lawrence and 4 more | 6 hr |
| Apr 23, 12:54 AM CDT | Mesoscale Discussion | SPC | Baxter, Benton, Boone, Carroll, Cleburne, Conway and 25 more | 96 min |
| Apr 23, 3:12 AM CDT | Mesoscale Discussion | SPC | Clay, Craighead, Crittenden, Cross, Greene, Lawrence and 5 more | 93 min |
| Apr 23, 7:33 AM CDT | Mesoscale Discussion | SPC | Craighead, Crittenden, Cross, Jackson, Lee, Poinsett and 2 more | 87 min |
| Apr 23, 10:37 AM CDT | Mesoscale Discussion | SPC | Baxter, Benton, Boone, Carroll, Fulton, Izard and 3 more | 113 min |
| Apr 23, 2:10 PM CDT | Severe Thunderstorm Watch | SPC | Benton, Crawford, Sebastian, Washington | 6 hr |
| Apr 23, 6:01 PM CDT | Mesoscale Discussion | SPC | Crawford, Scott, Sebastian | 59 min |
| Apr 23, 12:51 PM CDT | Mesoscale Discussion | SPC | Barton, Bates, Benton, Camden, Cedar, Dade and 12 more | 114 min |
| Apr 23, 3:05 PM CDT | Severe Thunderstorm Watch | SPC | Barry, Barton, Cedar, Dade, Greene, Hickory and 8 more | 5 hr |
| Apr 22, 8:00 PM CDT | Mesoscale Discussion | SPC | Love | 60 min |
| Apr 22, 11:47 PM CDT | Mesoscale Discussion | SPC | Beaver, Custer, Dewey, Ellis, Harper, Major and 3 more | 58 min |
| Apr 23, 10:10 AM CDT | Mesoscale Discussion | SPC | Beaver, Beckham, Blaine, Custer, Dewey, Ellis and 11 more | 3 hr |
| Apr 23, 12:15 PM CDT | Tornado Watch | SPC | Carter, Cotton, Jefferson, Tillman | 6 hr |
| Apr 23, 1:46 PM CDT | Mesoscale Discussion | SPC | Adair, Caddo, Canadian, Carter, Cherokee, Cleveland and 29 more | 119 min |
| Apr 23, 3:05 PM CDT | Mesoscale Discussion | SPC | Cotton, Garvin, Murray, Pontotoc, Stephens | 85 min |
| Apr 23, 4:40 PM CDT | Mesoscale Discussion | SPC | Carter, Jefferson | 65 min |
| Apr 23, 5:30 PM CDT | Severe Thunderstorm Watch | SPC | Carter, Cotton, Jefferson, Johnston, Love, Marshall and 3 more | 7 hr |
Nearby
Tornado Watches in Arkansas, 2004Tornado Watches in Oklahoma, 2004Tornado Watches in Missouri, 2004Every tornado watch in 2004
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.