Alert archive / California / Beach Hazards Statements in 2017
Beach Hazards Statement 11, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this beach hazards statement at Oct 26, 2017, 11:48 AM PDT for 6 counties in California. It took effect at Oct 27, 2017, 2:00 PM PDT. It was in force for 55 hr.
The area
The counties it named.
The facts
- Issued
- Oct 26, 2017, 11:48 AM PDT (18:48 UTC)
- In effect from
- Oct 27, 2017, 2:00 PM PDT
- Expired
- Oct 29, 2017, 9:00 PM PDT
- In force
- 55 hr
- Issued by
- NWS San Francisco Bay Area, CA
Counties City and County of San Francisco, CA, Marin County, CA, Monterey County, CA, San Mateo County, CA, Santa Cruz County, CA, Sonoma County, CA
The radar
The San Francisco radar (KMUX), 53 km from the middle of the area, began a volume at 18:50 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
Oakland, CA (KOAK), launched 12:00Z, 6.8 hours before the alert went out and 26 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
- 2448 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -43 m²/s²
- 0-3 km storm-relative helicity
- -11 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
662 WHUS46 KMTR 261848 CFWMTR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1148 AM PDT THU OCT 26 2017 CAZ006-505-509-529-530-270300- /O.NEW.KMTR.BH.S.0011.171027T2100Z-171029T0400Z/ SAN FRANCISCO- COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 1148 AM PDT THU OCT 26 2017 ...BEACH HAZARDS STATEMENT IN EFFECT FROM FRIDAY AFTERNOON THROUGH SATURDAY EVENING... A LONG PERIOD ENERGETIC NORTHWESTERLY SWELL WILL BEGIN TO ARRIVE FRIDAY AFTERNOON, FORERUNNERS WITH PERIODS OF 20 TO 21 SECONDS ARE EXPECTED BEFORE THE MAIN WAVE ENERGY ARRIVES DURING THE DAY SATURDAY. THIS WILL INCREASE THE RISK OF RIP CURRENTS, SNEAKER WAVES, AND LARGE SHORE BREAK AT WEST AND NORTHWEST FACING BEACHES. THE SWELL IS EXPECTED TO PEAK SATURDAY MORNING THROUGH THE AFTERNOON. THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A BEACH HAZARDS STATEMENT FOR RIP CURRENTS, SNEAKER WAVES, AND LARGE SHORE BREAK, WHICH IS IN EFFECT FROM FRIDAY AFTERNOON THROUGH SATURDAY EVENING. * SEAS: NORTHWEST FORERUNNERS WILL ARRIVE FRIDAY AFTERNOON WITH A PERIOD OF 20 TO 21 SECONDS. NORTHWEST SWELL 6 TO 10 FEET THEN POSSIBLE WITH A PERIOD OF 18 TO 21 SECONDS. BREAKING WAVE HEIGHTS OF 15 TO 20 FEET ARE ALSO POSSIBLE. SWELL HEIGHTS AND PERIODS WILL BEGIN TO DECREASE ON SUNDAY. * TIMING: 2 PM FRIDAY AFTERNOON THROUGH 9 PM SATURDAY EVENING. * LOCATION: COASTLINE FROM SONOMA COUNTY SOUTH THROUGH MONTEREY COUNTY. IN PARTICULAR WEST TO NORTHWEST FACING BEACHES...INCLUDING BUT NOT LIMITED TO...OCEAN BEACH...MONTARA STATE BEACH AND MARINA STATE BEACH. * POTENTIAL IMPACTS: INCREASED RISK OF RIP CURRENTS...SNEAKER WAVES...AND LOCALLY LARGE SHORE BREAK. BEACHGOERS MAY BE KNOCKED OVER...INJURED...OR PULLED OUT TO SEA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BEACH HAZARD STATEMENT MEANS THE POTENTIALLY DANGEROUS CONDITIONS MAY EXIST ON SPECIFIC BEACHES. THESE HAZARDS MAY INCLUDE LARGE SHORE BREAK...STRONG RIP CURRENTS...STRONG LONGSHORE CURRENTS AND POSSIBLY SNEAKER WAVES. ALL OF WHICH COULD BE LIFE THREATENING. BE SURE TO ALWAYS KEEP YOUR EYES ON THE OCEAN. && $$
6 follow-up statements
978 WHUS46 KMTR 270353 CFWMTR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 853 PM PDT THU OCT 26 2017 CAZ006-505-509-529-530-271700- /O.CON.KMTR.BH.S.0011.171027T2100Z-171029T0400Z/ SAN FRANCISCO- COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 853 PM PDT THU OCT 26 2017 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM FRIDAY AFTERNOON THROUGH SATURDAY EVENING... A LONG PERIOD ENERGETIC NORTHWESTERLY SWELL WILL BEGIN TO ARRIVE FRIDAY AFTERNOON, FORERUNNERS WITH PERIODS OF 20 TO 21 SECONDS ARE EXPECTED BEFORE THE MAIN WAVE ENERGY ARRIVES DURING THE DAY SATURDAY. THIS WILL INCREASE THE RISK OF RIP CURRENTS, SNEAKER WAVES, AND LARGE SHORE BREAK AT WEST AND NORTHWEST FACING BEACHES. THE SWELL IS EXPECTED TO PEAK SATURDAY MORNING THROUGH THE AFTERNOON. THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A BEACH HAZARDS STATEMENT FOR RIP CURRENTS, SNEAKER WAVES, AND LARGE SHORE BREAK, WHICH IS IN EFFECT FROM FRIDAY AFTERNOON THROUGH SATURDAY EVENING. * SEAS: NORTHWEST FORERUNNERS WILL ARRIVE FRIDAY AFTERNOON WITH A PERIOD OF 20 TO 21 SECONDS. NORTHWEST SWELL 6 TO 10 FEET THEN POSSIBLE WITH A PERIOD OF 18 TO 21 SECONDS. BREAKING WAVE HEIGHTS OF 15 TO 20 FEET ARE ALSO POSSIBLE. SWELL HEIGHTS AND PERIODS WILL BEGIN TO DECREASE ON SUNDAY. * TIMING: 2 PM FRIDAY AFTERNOON THROUGH 9 PM SATURDAY EVENING. * LOCATION: COASTLINE FROM SONOMA COUNTY SOUTH THROUGH MONTEREY COUNTY. IN PARTICULAR WEST TO NORTHWEST FACING BEACHES... INCLUDING BUT NOT LIMITED TO...OCEAN BEACH...MONTARA STATE BEACH AND MARINA STATE BEACH. * POTENTIAL IMPACTS: INCREASED RISK OF RIP CURRENTS...SNEAKER WAVES...AND LOCALLY LARGE SHORE BREAK. BEACHGOERS MAY BE KNOCKED OVER...INJURED...OR PULLED OUT TO SEA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BEACH HAZARD STATEMENT MEANS THE POTENTIALLY DANGEROUS CONDITIONS MAY EXIST ON SPECIFIC BEACHES. THESE HAZARDS MAY INCLUDE LARGE SHORE BREAK...STRONG RIP CURRENTS...STRONG LONGSHORE CURRENTS AND POSSIBLY SNEAKER WAVES. ALL OF WHICH COULD BE LIFE THREATENING. BE SURE TO ALWAYS KEEP YOUR EYES ON THE OCEAN. && $$
426 WHUS46 KMTR 271649 CFWMTR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 949 AM PDT FRI OCT 27 2017 CAZ006-505-509-529-530-280415- /O.EXT.KMTR.BH.S.0011.171027T2100Z-171030T0400Z/ SAN FRANCISCO- COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 949 AM PDT FRI OCT 27 2017 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 2 PM PDT THIS AFTERNOON THROUGH SUNDAY EVENING... THE BEACH HAZARD STATEMENT HAS BEEN EXTENDED THROUGH SUNDAY AS HAZARDOUS CONDITIONS ARE FORECAST TO PERSIST. A LONG PERIOD ENERGETIC NORTHWESTERLY SWELL WILL BEGIN TO ARRIVE THIS AFTERNOON, FORERUNNERS WITH PERIODS OF 20 TO 21 SECONDS ARE EXPECTED BEFORE THE MAIN WAVE ENERGY ARRIVES DURING THE DAY SATURDAY. THIS WILL INCREASE THE RISK OF RIP CURRENTS, SNEAKER WAVES, AND LARGE SHORE BREAK AT WEST AND NORTHWEST FACING BEACHES. THE SWELL IS EXPECTED TO PEAK LATE SATURDAY MORNING THROUGH THE EVENING. THIS WILL BE A SIGNIFICANT EVENT WITH PEAK SWELLS APPROACHING HIGH SURF CRITERIA. THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A BEACH HAZARDS STATEMENT FOR RIP CURRENTS, SNEAKER WAVES, AND LARGE SHORE BREAK, WHICH IS IN EFFECT FROM FRIDAY AFTERNOON THROUGH SATURDAY EVENING. * SEAS: NORTHWEST FORERUNNERS WILL ARRIVE THIS AFTERNOON WITH A PERIOD OF 20 TO 21 SECONDS. NORTHWEST SWELL 6 TO 10 FEET THEN POSSIBLE WITH A PERIOD OF 18 TO 21 SECONDS. BREAKING WAVE HEIGHTS OF 15 TO 20 FEET ARE ALSO POSSIBLE. SWELL HEIGHTS AND PERIODS WILL BEGIN TO DECREASE ON SUNDAY, BUT CONDITIONS WILL REMAIN HAZARDOUS THROUGH MOST OF THE DAY. * TIMING: 2 PM FRIDAY AFTERNOON THROUGH 9 PM SUNDAY EVENING. * LOCATION: COASTLINE FROM SONOMA COUNTY SOUTH THROUGH MONTEREY COUNTY. IN PARTICULAR WEST TO NORTHWEST FACING BEACHES... INCLUDING BUT NOT LIMITED TO...OCEAN BEACH...MONTARA STATE BEACH AND MARINA STATE BEACH. * POTENTIAL IMPACTS: INCREASED RISK OF RIP CURRENTS...SNEAKER WAVES...AND LOCALLY LARGE SHORE BREAK. BEACHGOERS MAY BE KNOCKED OVER...INJURED...OR PULLED OUT TO SEA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BEACH HAZARD STATEMENT MEANS THE POTENTIALLY DANGEROUS CONDITIONS MAY EXIST ON SPECIFIC BEACHES. THESE HAZARDS MAY INCLUDE LARGE SHORE BREAK...STRONG RIP CURRENTS...STRONG LONGSHORE CURRENTS AND POSSIBLY SNEAKER WAVES. ALL OF WHICH COULD BE LIFE THREATENING. BE SURE TO ALWAYS KEEP YOUR EYES ON THE OCEAN. && $$
150 WHUS46 KMTR 271856 AAA CFWMTR COASTAL HAZARD MESSAGE...UPDATED NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1156 AM PDT FRI OCT 27 2017 CAZ006-505-509-529-530-280300- /O.CON.KMTR.BH.S.0011.171027T2100Z-171030T0400Z/ SAN FRANCISCO- COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 1156 AM PDT FRI OCT 27 2017 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH SUNDAY EVENING... THE BEACH HAZARD STATEMENT HAS BEEN EXTENDED THROUGH SUNDAY AS HAZARDOUS CONDITIONS ARE FORECAST TO PERSIST. A LONG PERIOD ENERGETIC NORTHWESTERLY SWELL WILL BEGIN TO ARRIVE THIS AFTERNOON, FORERUNNERS WITH PERIODS OF 20 TO 21 SECONDS ARE EXPECTED BEFORE THE MAIN WAVE ENERGY ARRIVES DURING THE DAY SATURDAY. THIS WILL INCREASE THE RISK OF RIP CURRENTS, SNEAKER WAVES, AND LARGE SHORE BREAK AT WEST AND NORTHWEST FACING BEACHES. THE SWELL IS EXPECTED TO PEAK LATE SATURDAY MORNING THROUGH THE EVENING. THIS WILL BE A SIGNIFICANT EVENT WITH PEAK SWELLS APPROACHING HIGH SURF CRITERIA. THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A BEACH HAZARDS STATEMENT FOR RIP CURRENTS, SNEAKER WAVES, AND LARGE SHORE BREAK, WHICH IS IN EFFECT FROM FRIDAY AFTERNOON THROUGH SUNDAY EVENING. * SEAS: NORTHWEST FORERUNNERS WILL ARRIVE THIS AFTERNOON WITH A PERIOD OF 20 TO 21 SECONDS. NORTHWEST SWELL 6 TO 10 FEET THEN POSSIBLE WITH A PERIOD OF 18 TO 21 SECONDS. BREAKING WAVE HEIGHTS OF 15 TO 20 FEET ARE ALSO POSSIBLE. SWELL HEIGHTS AND PERIODS WILL BEGIN TO DECREASE ON SUNDAY, BUT CONDITIONS WILL REMAIN HAZARDOUS THROUGH MOST OF THE DAY. * TIMING: 2 PM FRIDAY AFTERNOON THROUGH 9 PM SUNDAY EVENING. * LOCATION: COASTLINE FROM SONOMA COUNTY SOUTH THROUGH MONTEREY COUNTY. IN PARTICULAR WEST TO NORTHWEST FACING BEACHES... INCLUDING BUT NOT LIMITED TO...OCEAN BEACH...MONTARA STATE BEACH AND MARINA STATE BEACH. * POTENTIAL IMPACTS: INCREASED RISK OF RIP CURRENTS...SNEAKER WAVES...AND LOCALLY LARGE SHORE BREAK. BEACHGOERS MAY BE KNOCKED OVER...INJURED...OR PULLED OUT TO SEA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BEACH HAZARD STATEMENT MEANS THE POTENTIALLY DANGEROUS CONDITIONS MAY EXIST ON SPECIFIC BEACHES. THESE HAZARDS MAY INCLUDE LARGE SHORE BREAK...STRONG RIP CURRENTS...STRONG LONGSHORE CURRENTS AND POSSIBLY SNEAKER WAVES. ALL OF WHICH COULD BE LIFE THREATENING. BE SURE TO ALWAYS KEEP YOUR EYES ON THE OCEAN. && $$
772 WHUS46 KMTR 280348 CFWMTR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 848 PM PDT FRI OCT 27 2017 CAZ006-505-509-529-530-281900- /O.CON.KMTR.BH.S.0011.000000T0000Z-171030T0400Z/ SAN FRANCISCO- COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 848 PM PDT FRI OCT 27 2017 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH SUNDAY EVENING... THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A BEACH HAZARDS STATEMENT FOR RIP CURRENTS, SNEAKER WAVES, AND LARGE SHORE BREAK, WHICH IS IN EFFECT FROM FRIDAY AFTERNOON THROUGH SUNDAY EVENING. * SEAS: NORTHWEST FORERUNNERS WILL ARRIVE THIS EVENING WITH A PERIOD OF 20 TO 22 SECONDS. NORTHWEST SWELL 6 FEET INCREASING TO 9 TO 11 FEET SATURDAY MORNING WITH A PERIOD OF 18 TO 20 SECONDS. BREAKING WAVE HEIGHTS OF 15 TO 20 FEET ARE ALSO POSSIBLE. SWELL HEIGHTS AND PERIODS WILL BEGIN TO DECREASE ON SUNDAY, BUT CONDITIONS WILL REMAIN HAZARDOUS THROUGH MOST OF THE DAY. * TIMING: THROUGH 9 PM SUNDAY EVENING. * LOCATION: COASTLINE FROM SONOMA COUNTY SOUTH THROUGH MONTEREY COUNTY. IN PARTICULAR WEST TO NORTHWEST FACING BEACHES... INCLUDING BUT NOT LIMITED TO...OCEAN BEACH...MONTARA STATE BEACH AND MARINA STATE BEACH. * POTENTIAL IMPACTS: INCREASED RISK OF RIP CURRENTS...SNEAKER WAVES...AND LOCALLY LARGE SHORE BREAK. BEACHGOERS MAY BE KNOCKED OVER...INJURED...OR PULLED OUT TO SEA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BEACH HAZARD STATEMENT MEANS THE POTENTIALLY DANGEROUS CONDITIONS MAY EXIST ON SPECIFIC BEACHES. THESE HAZARDS MAY INCLUDE LARGE SHORE BREAK...STRONG RIP CURRENTS...STRONG LONGSHORE CURRENTS AND POSSIBLY SNEAKER WAVES. ALL OF WHICH COULD BE LIFE THREATENING. BE SURE TO ALWAYS KEEP YOUR EYES ON THE OCEAN. && $$
211 WHUS46 KMTR 281846 CFWMTR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1146 AM PDT SAT OCT 28 2017 CAZ006-505-509-529-530-291400- /O.CON.KMTR.BH.S.0011.000000T0000Z-171030T0400Z/ SAN FRANCISCO- COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 1146 AM PDT SAT OCT 28 2017 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH SUNDAY EVENING... * SEAS: NORTHWEST SWELL 9 TO 11 FEET SATURDAY MORNING WITH A PERIOD OF 18 TO 20 SECONDS. BREAKING WAVE HEIGHTS OF 15 TO 20 FEET ARE ALSO POSSIBLE. SWELL HEIGHTS AND PERIODS WILL BEGIN TO DECREASE ON SUNDAY, BUT CONDITIONS WILL REMAIN HAZARDOUS THROUGH MOST OF THE DAY. * TIMING: THROUGH 9 PM SUNDAY EVENING. * LOCATION: COASTLINE FROM SONOMA COUNTY SOUTH THROUGH MONTEREY COUNTY. IN PARTICULAR WEST TO NORTHWEST FACING BEACHES... INCLUDING BUT NOT LIMITED TO...OCEAN BEACH...MONTARA STATE BEACH AND MARINA STATE BEACH. * POTENTIAL IMPACTS: INCREASED RISK OF RIP CURRENTS...SNEAKER WAVES...AND LOCALLY LARGE SHORE BREAK. BEACHGOERS MAY BE KNOCKED OVER...INJURED...OR PULLED OUT TO SEA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BEACH HAZARD STATEMENT MEANS THE POTENTIALLY DANGEROUS CONDITIONS MAY EXIST ON SPECIFIC BEACHES. THESE HAZARDS MAY INCLUDE LARGE SHORE BREAK...STRONG RIP CURRENTS...STRONG LONGSHORE CURRENTS AND POSSIBLY SNEAKER WAVES. ALL OF WHICH COULD BE LIFE THREATENING. BE SURE TO ALWAYS KEEP YOUR EYES ON THE OCEAN. && $$
879 WHUS46 KMTR 291259 CFWMTR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 559 AM PDT SUN OCT 29 2017 CAZ006-505-509-529-530-300400- /O.CON.KMTR.BH.S.0011.000000T0000Z-171030T0400Z/ SAN FRANCISCO- COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 559 AM PDT SUN OCT 29 2017 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THIS EVENING... * SEAS: NORTHWEST SWELL 6 TO 9 FEET WITH A PERIOD OF 16 TO 18 SECONDS. BREAKING WAVE HEIGHTS OF 10 TO 15 FEET ARE ALSO POSSIBLE. SWELL HEIGHTS AND PERIODS WILL DECREASE THROUGHOUT THE DAY. * TIMING: THROUGH 9 PM SUNDAY EVENING. * LOCATION: COASTLINE FROM SONOMA COUNTY SOUTH THROUGH MONTEREY COUNTY. IN PARTICULAR WEST TO NORTHWEST FACING BEACHES... INCLUDING BUT NOT LIMITED TO...OCEAN BEACH...MONTARA STATE BEACH AND MARINA STATE BEACH. * POTENTIAL IMPACTS: INCREASED RISK OF RIP CURRENTS...SNEAKER WAVES...AND LOCALLY LARGE SHORE BREAK. BEACHGOERS MAY BE KNOCKED OVER...INJURED...OR PULLED OUT TO SEA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BEACH HAZARD STATEMENT MEANS THE POTENTIALLY DANGEROUS CONDITIONS MAY EXIST ON SPECIFIC BEACHES. THESE HAZARDS MAY INCLUDE LARGE SHORE BREAK...STRONG RIP CURRENTS...STRONG LONGSHORE CURRENTS AND POSSIBLY SNEAKER WAVES. ALL OF WHICH COULD BE LIFE THREATENING. BE SURE TO ALWAYS KEEP YOUR EYES ON THE OCEAN. && $$
Nearby
Beach Hazards Statements in California, 2017Every beach hazards statement 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.