Hail, Osage
- When
- April 20, 5:05 PM CST
- Where
- Osage County, Okesa
- Measured
- 1 in hail
- Reported by
- TRAINED SPOTTER
- Coordinates
- 36.733, -95.633
Tornado and Hail in Oklahoma, April 20, 2004
29 hail, 6 thunderstorm wind, 1 tornado, as filed by the National Weather Service.
Where it happened
Every event with a place to put it. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- $10,000
- Crop damage
- None recorded
- Events
- 36
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
What forecasters said that day
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Tulsa, OK wrote its last area forecast discussion before the first event at Apr 20, 4:15 PM CST, 50 minutes earlier.
Area forecast discussion, Apr 20, 4:15 PM CST, 50 minutes before
MESOSCALE FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OKLAHOMA 515 PM CDT TUE APR 20 2004 THUNDERSTORMS HAVE INITIATED IN AREA OF ENHANCED LOW LEVEL CONVERGENCE ALONG WIND SHIFT/COLD FRONT PUSHING THROUGH NC OKLAHOMA. STORMS OVER WESTERN OSAGE COUNTY...ONE IN THE VICINITY OF FORAKER AND ANOTHER WEST OF FAIRFAX HAVE SHOWN SOME MID LEVEL ROTATION IN LAST 10-15 MINUTES AS THEY PROGRESS EAST INTO SLIGHTLY MORE FAVORABLE SHEAR ENVIRONMENT. WILL INITIATE WARNINGS FOR THESE STORMS MOMETARILY. OTHER STORMS HAVE BEGUN TO DEVELOP ALONG BOUNDARY OVER NORTHERN LINCOLN AND EASTERN LOGAN COUNTIES IN CENTRAL OKLAHOMA... WHICH CURRENT MOTION PLACES IN CREEK COUNTY BY ABOUT 600 PM. FORECAST ID= 14 .TSA WATCHES/WARNINGS/ADVISORIES... AR...NONE. OK...NONE.
Hazardous weather outlook, Apr 20, 12:00 PM CST, 5 hours 5 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 100 PM CDT TUE APR 20 2004 ARZ001-002-010-011-019-020-029-OKZ049-053>076-211000- ADAIR OK-BENTON AR-CARROLL AR-CHEROKEE OK-CHOCTAW OK-CRAIG OK- CRAWFORD AR-CREEK OK-DELAWARE OK-FRANKLIN AR-HASKELL OK-LATIMER OK- LE FLORE OK-MADISON AR-MAYES OK-MCINTOSH OK-MUSKOGEE OK-NOWATA OK- OKFUSKEE OK-OKMULGEE OK-OSAGE OK-OTTAWA OK-PAWNEE OK-PITTSBURG OK- PUSHMATAHA OK-ROGERS OK-SEBASTIAN AR-SEQUOYAH OK-TULSA OK-WAGONER OK- WASHINGTON OK-WASHINGTON AR- 100 PM CDT TUE APR 20 2004 THIS OUTLOOK IS FOR NORTHWEST AND WEST CENTRAL ARKANSAS AS WELL AS MUCH OF EASTERN OKLAHOMA. .DAY ONE...THIS AFTERNOON AND TONIGHT ...A CHANCE FOR SEVERE THUNDERSTORMS LATE THIS AFTERNOON AND TONIGHT ACROSS FAR NORTHEAST OKLAHOMA AND FAR NORTHWEST ARKANSAS... THUNDERSTORMS ARE EXPECTED TO DEVELOP LATE THIS AFTERNOON ACROSS EASTERN KANSAS AND CONTINUE DEVELOPING SOUTHWARD INTO NORTHEAST OKLAHOMA BY EARLY EVENING. ADDITIONAL THUNDERSTORM DEVELOPMENT WILL BE POSSIBLE ALONG THE DRYLINE WHICH WILL SURGE INTO CENTRAL OKLAHOMA BY SUNSET. THE HIGHEST THUNDERSTORM CHANCES WILL BE ACROSS WESTERN ARKANSAS AS THE INITIAL DISCRETE THUNDERSTORMS EVOLVE INTO A SQUALL LINE AS THEY MOVE EASTWARD. THE THREAT FOR SEVERE WEATHER WILL BE THE HIGHEST ACROSS FAR NORTHEAST OKLAHOMA AND FAR NORTHWEST ARKANSAS IN PROXIMITY TO THE STRONGER UPPER LEVEL SUPPORT AND RESULTANT STRONGER DEEP LAYER SHEAR. SUPERCELLS WILL BE LIKELY WITH THE INITIAL THUNDERSTORM DEVELOPMENT WITH LARGE HAIL AND DAMAGING WINDS BEING THE PRIMARY THREATS. THE EVOLUTION TOWARD A SQUALL LINE BY LATE EVENING WILL FOCUS THE THREAT MORE TOWARD DAMAGING WINDS. SPOTTER / EMERGENCY MANAGEMENT ACTION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED LATE THIS AFTERNOON AND EVENING. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY AN UNSETTLED WEATHER PATTERN WILL CONTINUE THROUGH MUCH OF THE EXTENDED OUTLOOK PERIOD. CURRENTLY...THE BEST CHANCES OF SIGNIFICANT SEVERE WEATHER APPEAR TO BE ON THURSDAY AND/OR FRIDAY. WARNING PROBABILITIES FOR SEVERE THUNDERSTORMS AND TORNADOES CAN BE FOUND IN THE CURRENT HAZARDS SECTION AT: WWW.SRH.NOAA.GOV/TULSA. GIVEN PROBABILITIES REPRESENT THE POTENTIAL FOR A WARNING TO BE ISSUED AT YOUR LOCATION. WWW.SRH.NOAA.GOV/TULSA CONTAINS ADDITIONAL TABULAR AND GRAPHICAL INFORMATION
In the hours before
Special weather statement, Apr 20, 1:14 PM CST, 3 hours 51 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 214 PM CDT TUE APR 20 2004 ARZ001-010-OKZ054>070-210100- ADAIR OK-BENTON AR-CHEROKEE OK-CRAIG OK-CREEK OK-DELAWARE OK- MAYES OK-MUSKOGEE OK-NOWATA OK-OKFUSKEE OK-OKMULGEE OK-OSAGE OK- OTTAWA OK-PAWNEE OK-ROGERS OK-TULSA OK-WAGONER OK-WASHINGTON OK- WASHINGTON AR- 214 PM CDT TUE APR 20 2004 TORNADO WATCH NUMBER 93 IN EFFECT UNTIL 800 PM CDT FOR PORTIONS OF NORTHEAST OKLAHOMA AND NORTHWEST ARKANSAS.
Special weather statement, Apr 20, 3:02 PM CST, 2 hours 3 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
402 PM CDT TUE APR 20 2004
OKZ054-202200-
OSAGE OK-
402 PM CDT TUE APR 20 2004
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ALERT EFFECTIVE UNTIL 500 PM CDT
FOR THE FOLLOWING COUNTY:
IN NORTHEAST OKLAHOMA
NORTHWESTERN OSAGE
AT 402 PM CDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 13
MILES SOUTHWEST OF APPERSON...MOVING NORTHEAST AT 30 MPH. SOME
LOCATIONS THAT WILL BE AFFECTED BY THIS STORM INCLUDE...SHIDLER...
APPERSON...WEBB CITY...FORAKER AND GRAINOLA.
THIS STORM WILL BE CAPABLE OF PRODUCING SMALL HAIL AND WIND GUSTS TO
50 MPH. RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE THE
SIGNIFICANT WEATHER ALERT IS UPGRADED TO A WARNING.Special weather statement, Apr 20, 3:58 PM CST, 1 hour 7 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
458 PM CDT TUE APR 20 2004
OKZ054-202300-
OSAGE OK-
458 PM CDT TUE APR 20 2004
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ALERT EFFECTIVE UNTIL 600 PM CDT
FOR THE FOLLOWING COUNTY:
IN NORTHEAST OKLAHOMA
OSAGE
AT 458 PM CDT...DOPPLER RADAR INDICATED STRONG THUNDERSTORMS ALONG A
LINE EXTENDING FROM 3 MILES SOUTH OF FORAKER TO 15 MILES SOUTHWEST OF
BURBANK...MOVING NORTHEAST AT 25 MPH. SOME LOCATIONS THAT WILL BE
AFFECTED BY THESE STORMS INCLUDE...SHIDLER...BURBANK...APPERSON...
WEBB CITY...PEARSONIA...FORAKER AND GRAINOLA.
A LARGE PORTION OF OSAGE COUNTY WILL BE AFFECTED BY THESE STORMS
THROUGH 600 PM CDT.
THESE STORMS WILL BE CAPABLE OF PRODUCING SMALL HAIL AND WIND GUSTS
TO 40 MPH. RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE THE
SIGNIFICANT WEATHER ALERT IS UPGRADED TO A WARNING.Special weather statement, Apr 20, 3:58 PM CST, 1 hour 7 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
458 PM CDT TUE APR 20 2004
OKZ054-202300-
OSAGE OK-
458 PM CDT TUE APR 20 2004
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ALERT EFFECTIVE UNTIL 600 PM CDT
FOR THE FOLLOWING COUNTY:
IN NORTHEAST OKLAHOMA
OSAGE
AT 458 PM CDT...DOPPLER RADAR INDICATED STRONG THUNDERSTORMS ALONG A
LINE EXTENDING FROM 3 MILES SOUTH OF FORAKER TO 15 MILES SOUTHWEST OF
BURBANK...MOVING NORTHEAST AT 25 MPH. SOME LOCATIONS THAT WILL BE
AFFECTED BY THESE STORMS INCLUDE...SHIDLER...BURBANK...APPERSON...
WEBB CITY...PEARSONIA...FORAKER AND GRAINOLA.
THESE STORMS WILL BE CAPABLE OF PRODUCING SMALL HAIL AND WIND GUSTS
TO 40 MPH. RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE THE
SIGNIFICANT WEATHER ALERT IS UPGRADED TO A WARNING.The radar
The Tulsa radar (KINX), 62 km away, was scanning. The volume nearest the first event began at 23:05 UTC.
Event by event
29 hail, 6 thunderstorm wind, 1 tornado. Local standard time, as filed.
Hail, Washington
- When
- April 20, 5:20 PM CST
- Where
- Washington County, Bartlesville
- Measured
- 1 in hail
- Reported by
- TRAINED SPOTTER
- Coordinates
- 36.567, -96.083
Hail, Washington
- When
- April 20, 5:20 PM CST
- Where
- Washington County, 3 mi N of Copan
- Measured
- 0.88 in hail
- Reported by
- AMATEUR RADIO
- Coordinates
- 36.600, -95.983
Hail, Osage
- When
- April 20, 5:20 PM CST
- Where
- Osage County, 8 mi ENE of Okesa
- Measured
- 0.88 in hail
- Reported by
- TRAINED SPOTTER
- Coordinates
- 36.533, -95.917
Hail, Pawnee
- When
- April 20, 5:30 PM CST
- Where
- Pawnee County, Skedee
- Measured
- 1 in hail
- Reported by
- GENERAL PUBLIC
- Coordinates
- 36.150, -95.850
Hail, Creek
- When
- April 20, 5:43 PM CST
- Where
- Creek County, Silver City
- Measured
- 0.75 in hail
- Reported by
- TRAINED SPOTTER
- Coordinates
- 35.717, -96.600
Hail, Creek
- When
- April 20, 5:49 PM CST
- Where
- Creek County, Mannford
- Measured
- 0.75 in hail
- Reported by
- TRAINED SPOTTER
- Coordinates
- 35.767, -96.533
Hail, Nowata
- When
- April 20, 6:07 PM CST
- Where
- Nowata County, 3 mi S of Delaware
- Measured
- 0.88 in hail
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 36.483, -95.683
Tornado, Creek
- When
- April 20, 6:08 PM CST
- Where
- Creek County, 3 mi WNW of Sapulpa
- Rating
- F0
- Path length
- 0.4 mi
- Path width
- 200 yd
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 36.083, -96.500
A brief F0 tornado occurred just west northwest of Sapulpa. No damage was reported.
Hail, Osage
- When
- April 20, 6:21 PM CST
- Where
- Osage County, 5 mi E of Barnsdall
- Measured
- 0.88 in hail
- Reported by
- GENERAL PUBLIC
- Coordinates
- 35.800, -96.567
Hail, Washington
- When
- April 20, 6:26 PM CST
- Where
- Washington County, Ochelata
- Measured
- 1.75 in hail
- Reported by
- GENERAL PUBLIC
- Coordinates
- 35.833, -96.383
Hail, Washington
- When
- April 20, 6:29 PM CST
- Where
- Washington County, Ramona
- Measured
- 1.75 in hail
- Reported by
- GENERAL PUBLIC
- Coordinates
- 36.050, -95.783
Hail, Tulsa
- When
- April 20, 6:32 PM CST
- Where
- Tulsa County, 6 mi E of Tulsa
- Measured
- 1 in hail
- Reported by
- TRAINED SPOTTER
- Coordinates
- 36.500, -95.467
Quarter size hail was reported near the intersection of 21st Street and Memorial in the city of Tulsa.
Hail, Creek
- When
- April 20, 6:36 PM CST
- Where
- Creek County, 3 mi SW of Depew
- Measured
- 1.75 in hail
- Reported by
- TRAINED SPOTTER
- Coordinates
- 36.150, -95.717
Hail, Creek
- When
- April 20, 6:36 PM CST
- Where
- Creek County, 3 mi SW of Milfay
- Measured
- 1.75 in hail
- Reported by
- GENERAL PUBLIC
- Coordinates
- 36.767, -95.183
Hail, Rogers
- When
- April 20, 6:42 PM CST
- Where
- Rogers County, 3 mi S of Talala
- Measured
- 0.75 in hail
- Reported by
- GENERAL PUBLIC
- Coordinates
- 36.400, -96.067
Hail, Creek
- When
- April 20, 6:50 PM CST
- Where
- Creek County, 3 mi N of Milfay
- Measured
- 4.25 in hail
- Reported by
- GENERAL PUBLIC
- Coordinates
- 35.433, -95.950
Hail, Creek
- When
- April 20, 6:52 PM CST
- Where
- Creek County, Bristow
- Measured
- 1 in hail
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 35.767, -96.033
Thunderstorm Wind, Tulsa
- When
- April 20, 7:00 PM CST
- Where
- Tulsa County, Broken Arrow
- Measured
- 52 kt (60 mph) estimated gust
- Property damage
- $5,000
- Reported by
- TRAINED SPOTTER
- Coordinates
- 36.117, -95.500
A trained spotter reported 60 mile an hour winds and downed power lines near the intersection of 81st Street and 129th East Avenue.
Hail, Rogers
- When
- April 20, 7:05 PM CST
- Where
- Rogers County, 3 mi NE of Bushyhead
- Measured
- 0.88 in hail
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 35.733, -95.833
Hail, Wagoner
- When
- April 20, 7:05 PM CST
- Where
- Wagoner County, 9 mi N of Oneta
- Measured
- 0.88 in hail
- Reported by
- GENERAL PUBLIC
- Coordinates
- 35.833, -96.383
Thunderstorm Wind, Craig
- When
- April 20, 7:15 PM CST
- Where
- Craig County, 3 mi SW of Pyramid Corners
- Measured
- 61 kt (70 mph) estimated gust
- Property damage
- $5,000
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 35.917, -95.300
Thunderstorm winds estimated at 70 miles an hour blew off half of garage's roof and tore some shingle off a home.
Hail, Osage
- When
- April 20, 7:17 PM CST
- Where
- Osage County, 6 mi S of Avant
- Measured
- 0.88 in hail
- Reported by
- GENERAL PUBLIC
- Coordinates
- 35.983, -95.133
Hail, Okmulgee
- When
- April 20, 7:25 PM CST
- Where
- Okmulgee County, 2 mi SE of Henryetta
- Measured
- 1 in hail
- Reported by
- GENERAL PUBLIC
- Coordinates
- 35.650, -96.283
Hail, Okmulgee
- When
- April 20, 7:30 PM CST
- Where
- Okmulgee County, 3 mi NE of Beggs
- Measured
- 1.75 in hail
- Reported by
- TRAINED SPOTTER
- Coordinates
- 35.650, -96.283
Hail, Creek
- When
- April 20, 7:34 PM CST
- Where
- Creek County, Bristow
- Measured
- 1.75 in hail
- Reported by
- INSURANCE COMPANY
- Coordinates
- 36.233, -94.683
Hail, Rogers
- When
- April 20, 7:52 PM CST
- Where
- Rogers County, 2 mi S of Inola
- Measured
- 1.75 in hail
- Reported by
- GENERAL PUBLIC
- Coordinates
- 35.617, -96.300
Hail, Okmulgee
- When
- April 20, 7:55 PM CST
- Where
- Okmulgee County, Bald Hill
- Measured
- 1.75 in hail
- Reported by
- BROADCAST MEDIA
- Coordinates
- 35.750, -95.367
Hail, Wagoner
- When
- April 20, 8:14 PM CST
- Where
- Wagoner County, 6 mi NE of Wagoner
- Measured
- 1 in hail
- Reported by
- GENERAL PUBLIC
- Coordinates
- 35.333, -95.867
Thunderstorm Wind, Cherokee
- When
- April 20, 8:30 PM CST
- Where
- Cherokee County, Lost City
- Measured
- 61 kt (70 mph) estimated gust
- Reported by
- GENERAL PUBLIC
- Coordinates
- 36.017, -96.150
Thunderstorm winds estimated at 70 miles an hour blew down a large tree.
Thunderstorm Wind, Creek
- When
- April 20, 8:35 PM CST
- Where
- Creek County, Tuskegee
- Measured
- 52 kt (60 mph) estimated gust
- Reported by
- GENERAL PUBLIC
- Coordinates
- 36.717, -96.133
Hail, Creek
- When
- April 20, 8:35 PM CST
- Where
- Creek County, Tuskegee
- Measured
- 0.75 in hail
- Reported by
- GENERAL PUBLIC
- Coordinates
- 36.750, -96.000
Thunderstorm Wind, Okfuskee
- When
- April 20, 8:38 PM CST
- Where
- Okfuskee County, 6 mi E of Welty
- Measured
- 61 kt (70 mph) estimated gust
- Reported by
- GENERAL PUBLIC
- Coordinates
- 36.950, -95.933
Hail, Muskogee
- When
- April 20, 8:55 PM CST
- Where
- Muskogee County, Muskogee
- Measured
- 1 in hail
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 36.767, -96.000
Thunderstorm Wind, Delaware
- When
- April 20, 9:06 PM CST
- Where
- Delaware County, 7 mi NW of West Siloam Spgs
- Measured
- 61 kt (70 mph) estimated gust
- Reported by
- AIRPLANE PILOT
- Coordinates
- 36.383, -96.700
Thunderstorm winds estimated at 70 miles an hour blew down a tree.
Hail, McIntosh
- When
- April 20, 9:24 PM CST
- Where
- McIntosh County, 7 mi NW of Raiford
- Measured
- 0.88 in hail
- Reported by
- GENERAL PUBLIC
- Coordinates
- 36.250, -96.417
What these are
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
- Tornado
- A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.
- Thunderstorm Wind
- Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Tornadoes and Flash Flooding in Illinois, April 20, 2004
- Tornado in Illinois, April 20, 2004
- Tornadoes and Hail in Indiana, April 20, 2004
- Tornadoes and Hail in Illinois, April 20, 2004
- Tornadoes in Indiana, April 20, 2004
- Tornado in Iowa, April 20, 2004
- Hail in Illinois, April 20, 2004
- Hail and Damaging Winds in Oklahoma, April 20, 2004
- Lightning Strike in Iowa, April 20, 2004
- Rip Current in Florida, April 20, 2004
- Tornadoes and Hail in Nebraska, April 20, 2004
- Heavy Snow in Utah, April 20 to 22, 2004
More
Every storm in Oklahoma in 2004Every state in 2004This day in weather historyThe tornado archive for Oklahoma, 2004Warnings in Oklahoma, April 2004
Sources
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5393303, 5393304, 5393305, 5393306, 5393307, 5393309, 5393308, 5393310, 5391851, 5393311, 5393312, 5393313, 5393314, 5393315, 5393316, 5393317, 5393318, 5393319, 5393320, 5393321, 5393322, 5393323, 5393324, 5393325, 5393326, 5393329, 5393327, 5393328, 5393330, 5393331, 5391845, 5391846, 5391847, 5391848, 5391849, 5391850.