WHISKEY: Downwind direction in degrees towards / from (circle which) Windspeed KM/H Cloud Cover Code 0 = Sky less than half cloud covered 1 = Half the sky cloud covered 2 = More than half the sky cloud covered Air Stability Code 1 = very unstable (U) 2 = unstable (U) 3 = slightly unstable (U) 4 = neutral (N) 5 = slightly stable (S) 6 = stable (S) 7 = very stable (S) Temperature Code Code Temp 05 = 5 C / 41 F 10 = 10 C / 50 F 15 = 15 C / 59 F 20 = 20 C / 68 F 30 = 30 C / 86 F 51 = -1 C / 30 F 55 = -5 C / 23 F Humidity Code 0 = 0 - 9% 1 = % 2 = % 3 = % 4 = % 5 = % 6 = % 7 = % 8 = % 9 = % Significant Weather Phenomena Code 3 = Blowing snow or sand 4 = Fog, ice fog, or thick haze 5 = Drizzle 6 = Rain 7 = Light rain or snow 8 = Showers of rain, snow, hail, or a mixture 9 = Thunderstorm HOW TO READ WEATHER INFORMATION IN A CHEMICAL DOWNWIND MESSAGE WHISKEY X-RAY YANKEE DIGITSZULU PERIOD OF VALIDITY LOCAL WIND DIRECTION TO / FROM (circle which) 000 WIND SPEED 000 STABILITY 1/2/35/6/74 UNS TEMP- ERATURE (C) 00 HUMIDITY 000 WEATHER PHENOM. CLOUD COVER RECALCULATION REQUIRED (“X” one) YESNO CHECK FOR RECALCULATION BETWEEN VALIDITY PERIODS CHEMICAL DOWNWIND MESSAGE DISPLAY Next CDM Due At: ZULULOCAL (Due 1 hour prior to Valid Time) hrs MEANS OF DELIVERYRADIUS OF ATTACK AREAWIND SPEEDTYPECASEFIGURE AIR, BML, MRL, BOM, CAN, SHL, MOR, RKT, and surface burst MSL 1 km 10 km/h 1 2 A AIR, BML, MRL, BOM, CAN, SHL, MOR, RKT, and surface burst MSL 1 km 10 km/h BML, CAN, SHL, MOR, and surface burst RKT and MSL BML, CAN, SHL, MOR, and surface burst RKT and MSL 1 km 10 km/h AIR, MRL, BOM, UNK, and air burst RKT and MSL AIR, MRL, BOM, UNK, and air burst RKT and MSL 10 km/h SPR, GEN 2 km B 1, 2 km 1, 2 km 1 km TYPES AND CASES OF CHEMICAL ATTACKS AIR - Aircraft BML - Bomblets BOM - Bomb CAN - Cannon GEN - Generator MOR - Mortar MRL - Multiple Rocket Launcher MSL - Missiles RKT - Rocket SHL - Shell SPR - Spray UNK - Unknown CHANGES OF: A 1A 2B 1B 2B 3B 4B 5B 6 WINDSPEED: By 10 KPH or more From 10 KPH to 10 KPH WIND DIRECTION: By 30 DEG or more STABILITY CATEGORY XX XXXX XXXX XXXX X RECALCULATION REQUIREMENTS ATP 45 PERSISTENCY (TYPE “B” ONLY) DAILY MEAN SURFACE AIR TEMPERATURE WITHIN ATTACK AREA (number of days) WITHIN HAZARD AREA (number of days) CELCIUSFARENHEIT C C C F F F 3 to 10 days 2 to 4 days up to 2 days 2 to 6 days 1 to 2 days up to 1 day PLOTTING FORMULAS Earliest Arrival Time: Distance. Wind Speed X 1.5 Note: Measure from the front of attack area. THE RESULT X 60 WILL GIVE MINUTES. Departure Time: Distance Divided by WS X 60 Note: Measure from the back of attack area. Times are in minutes Conversions: 1:50,000 ___ cm divided by.5 = ___km ___ km times 2 = ___ cm Conversions: 1:250,000 Conversions: KM/H & KNOTS Conversions: Fahrenheit & Celsius ___ cm times 2.5 = ___ km ___ km divided by.4 = ___ cm ___ C times = ___ F (___ F - 32) divided by 1.8 = ___ C ___ km/h divided by 1.8 = ___ Kts ___ Knots times 1.8 = ___ km/h 127th READINESS NBC CELL CHEMICAL QUICK REFERENCE CHART (Jun 04) Distance Traveled / Type A Recals Time X Wind Speed divided by 60 = Distance Traveled in Kilometers ZULU time is _____ hours Ahead / Behind LOCAL Time (circle which) ICT/LCT 50 = (Agent in) MG/M 3 X # OF MINUTES EXPOSED Exposure Factors BML, CAN, SHL, MOR, & SURF BURST RKT & MSL AIR, MRL, BOM, UNK, & AIR BURST RKT & MSL PLOT LABELING ALPHA DELTA FOXTROT GOLF HOTEL